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Finding the Fourth Proportional to 93,776.52, 129,411.80 and 51,337.78

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Solution

The fourth proportional to 93,776.52, 129,411.80 and 51,337.78 is: 70,846.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,776.52 : 129,411.80 = 51,337.78 : x
  2. Step 2: Convert to fraction form
    93,776.52/129,411.80 = 51,337.78/x
  3. Step 3: Cross multiply
    93,776.52x = 129,411.80 × 51,337.78
  4. Step 4: Simplify right side
    93,776.52x = 6,643,714,517.80
  5. Step 5: Solve for x
    x = 6,643,714,517.80/93,776.52
  6. Step 6: Final answer
    x = 70,846.25

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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.