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Finding the Fourth Proportional to 237,335.89, 356,007.50 and 77,411.15

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Solution

The fourth proportional to 237,335.89, 356,007.50 and 77,411.15 is: 116,117.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,335.89 : 356,007.50 = 77,411.15 : x
  2. Step 2: Convert to fraction form
    237,335.89/356,007.50 = 77,411.15/x
  3. Step 3: Cross multiply
    237,335.89x = 356,007.50 × 77,411.15
  4. Step 4: Simplify right side
    237,335.89x = 27,558,949,983.63
  5. Step 5: Solve for x
    x = 27,558,949,983.63/237,335.89
  6. Step 6: Final answer
    x = 116,117.92

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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.