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Finding the Fourth Proportional to 93,539.57, 129,079.79 and 51,089.90

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Solution

The fourth proportional to 93,539.57, 129,079.79 and 51,089.90 is: 70,501.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,539.57 : 129,079.79 = 51,089.90 : x
  2. Step 2: Convert to fraction form
    93,539.57/129,079.79 = 51,089.90/x
  3. Step 3: Cross multiply
    93,539.57x = 129,079.79 × 51,089.90
  4. Step 4: Simplify right side
    93,539.57x = 6,594,672,662.27
  5. Step 5: Solve for x
    x = 6,594,672,662.27/93,539.57
  6. Step 6: Final answer
    x = 70,501.43

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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.