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Finding the Fourth Proportional to 93,149.80, 139,713.90 and 26,600.20

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Solution

The fourth proportional to 93,149.80, 139,713.90 and 26,600.20 is: 39,897.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,149.80 : 139,713.90 = 26,600.20 : x
  2. Step 2: Convert to fraction form
    93,149.80/139,713.90 = 26,600.20/x
  3. Step 3: Cross multiply
    93,149.80x = 139,713.90 × 26,600.20
  4. Step 4: Simplify right side
    93,149.80x = 3,716,417,682.78
  5. Step 5: Solve for x
    x = 3,716,417,682.78/93,149.80
  6. Step 6: Final answer
    x = 39,897.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.