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Finding the Fourth Proportional to 292,827,639.16, 404,109,578.97 and 160,668,600.64

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Solution

The fourth proportional to 292,827,639.16, 404,109,578.97 and 160,668,600.64 is: 221,726,749.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,827,639.16 : 404,109,578.97 = 160,668,600.64 : x
  2. Step 2: Convert to fraction form
    292,827,639.16/404,109,578.97 = 160,668,600.64/x
  3. Step 3: Cross multiply
    292,827,639.16x = 404,109,578.97 × 160,668,600.64
  4. Step 4: Simplify right side
    292,827,639.16x = 64,927,720,558,329,472
  5. Step 5: Solve for x
    x = 64,927,720,558,329,472/292,827,639.16
  6. Step 6: Final answer
    x = 221,726,749.38

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.