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Finding the Fourth Proportional to 163,293.76, 244,916.16 and 77,883.04

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Solution

The fourth proportional to 163,293.76, 244,916.16 and 77,883.04 is: 116,812.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,293.76 : 244,916.16 = 77,883.04 : x
  2. Step 2: Convert to fraction form
    163,293.76/244,916.16 = 77,883.04/x
  3. Step 3: Cross multiply
    163,293.76x = 244,916.16 × 77,883.04
  4. Step 4: Simplify right side
    163,293.76x = 19,074,815,085.93
  5. Step 5: Solve for x
    x = 19,074,815,085.93/163,293.76
  6. Step 6: Final answer
    x = 116,812.88

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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.