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Finding the Fourth Proportional to 93,685.01, 129,283.90 and 55,951.97

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Solution

The fourth proportional to 93,685.01, 129,283.90 and 55,951.97 is: 77,212.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,685.01 : 129,283.90 = 55,951.97 : x
  2. Step 2: Convert to fraction form
    93,685.01/129,283.90 = 55,951.97/x
  3. Step 3: Cross multiply
    93,685.01x = 129,283.90 × 55,951.97
  4. Step 4: Simplify right side
    93,685.01x = 7,233,688,107.98
  5. Step 5: Solve for x
    x = 7,233,688,107.98/93,685.01
  6. Step 6: Final answer
    x = 77,212.87

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1.5x scale

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.