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Finding the Fourth Proportional to 93,650.80, 129,224 and 52,813.12

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Solution

The fourth proportional to 93,650.80, 129,224 and 52,813.12 is: 72,874.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,650.80 : 129,224 = 52,813.12 : x
  2. Step 2: Convert to fraction form
    93,650.80/129,224 = 52,813.12/x
  3. Step 3: Cross multiply
    93,650.80x = 129,224 × 52,813.12
  4. Step 4: Simplify right side
    93,650.80x = 6,824,722,618.88
  5. Step 5: Solve for x
    x = 6,824,722,618.88/93,650.80
  6. Step 6: Final answer
    x = 72,874.15

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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.