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Finding the Fourth Proportional to 93,690.88, 129,295.17 and 51,250.32

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Solution

The fourth proportional to 93,690.88, 129,295.17 and 51,250.32 is: 70,726.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,690.88 : 129,295.17 = 51,250.32 : x
  2. Step 2: Convert to fraction form
    93,690.88/129,295.17 = 51,250.32/x
  3. Step 3: Cross multiply
    93,690.88x = 129,295.17 × 51,250.32
  4. Step 4: Simplify right side
    93,690.88x = 6,626,418,836.95
  5. Step 5: Solve for x
    x = 6,626,418,836.95/93,690.88
  6. Step 6: Final answer
    x = 70,726.40

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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.