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Finding the Fourth Proportional to 119,957.34, 179,792.87 and 55,829.18

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Solution

The fourth proportional to 119,957.34, 179,792.87 and 55,829.18 is: 83,677.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,957.34 : 179,792.87 = 55,829.18 : x
  2. Step 2: Convert to fraction form
    119,957.34/179,792.87 = 55,829.18/x
  3. Step 3: Cross multiply
    119,957.34x = 179,792.87 × 55,829.18
  4. Step 4: Simplify right side
    119,957.34x = 10,037,688,672.28
  5. Step 5: Solve for x
    x = 10,037,688,672.28/119,957.34
  6. Step 6: Final answer
    x = 83,677.15

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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.