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Finding the Fourth Proportional to 93,641.64, 140,476.41 and 34,472.76

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Solution

The fourth proportional to 93,641.64, 140,476.41 and 34,472.76 is: 51,714.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,641.64 : 140,476.41 = 34,472.76 : x
  2. Step 2: Convert to fraction form
    93,641.64/140,476.41 = 34,472.76/x
  3. Step 3: Cross multiply
    93,641.64x = 140,476.41 × 34,472.76
  4. Step 4: Simplify right side
    93,641.64x = 4,842,609,567.59
  5. Step 5: Solve for x
    x = 4,842,609,567.59/93,641.64
  6. Step 6: Final answer
    x = 51,714.28

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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.