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Finding the Fourth Proportional to 93,476.54, 129,025.24 and 65,191.34

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Solution

The fourth proportional to 93,476.54, 129,025.24 and 65,191.34 is: 89,983.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,476.54 : 129,025.24 = 65,191.34 : x
  2. Step 2: Convert to fraction form
    93,476.54/129,025.24 = 65,191.34/x
  3. Step 3: Cross multiply
    93,476.54x = 129,025.24 × 65,191.34
  4. Step 4: Simplify right side
    93,476.54x = 8,411,328,289.42
  5. Step 5: Solve for x
    x = 8,411,328,289.42/93,476.54
  6. Step 6: Final answer
    x = 89,983.31

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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.