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Finding the Fourth Proportional to 113,594.91, 156,787.71 and 70,606.89

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Solution

The fourth proportional to 113,594.91, 156,787.71 and 70,606.89 is: 97,454.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,594.91 : 156,787.71 = 70,606.89 : x
  2. Step 2: Convert to fraction form
    113,594.91/156,787.71 = 70,606.89/x
  3. Step 3: Cross multiply
    113,594.91x = 156,787.71 × 70,606.89
  4. Step 4: Simplify right side
    113,594.91x = 11,070,292,593.32
  5. Step 5: Solve for x
    x = 11,070,292,593.32/113,594.91
  6. Step 6: Final answer
    x = 97,454.13

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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.