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Finding the Fourth Proportional to 292,663, 438,984.71 and 124,074.87

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Solution

The fourth proportional to 292,663, 438,984.71 and 124,074.87 is: 186,108.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,663 : 438,984.71 = 124,074.87 : x
  2. Step 2: Convert to fraction form
    292,663/438,984.71 = 124,074.87/x
  3. Step 3: Cross multiply
    292,663x = 438,984.71 × 124,074.87
  4. Step 4: Simplify right side
    292,663x = 54,466,970,825.24
  5. Step 5: Solve for x
    x = 54,466,970,825.24/292,663
  6. Step 6: Final answer
    x = 186,108.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.