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Finding the Fourth Proportional to 93,688.01, 129,288.03 and 55,954.97

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Solution

The fourth proportional to 93,688.01, 129,288.03 and 55,954.97 is: 77,217.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,688.01 : 129,288.03 = 55,954.97 : x
  2. Step 2: Convert to fraction form
    93,688.01/129,288.03 = 55,954.97/x
  3. Step 3: Cross multiply
    93,688.01x = 129,288.03 × 55,954.97
  4. Step 4: Simplify right side
    93,688.01x = 7,234,307,193.57
  5. Step 5: Solve for x
    x = 7,234,307,193.57/93,688.01
  6. Step 6: Final answer
    x = 77,217.01

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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.