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Finding the Fourth Proportional to 125,061, 187,534.80 and 53,950.10

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Solution

The fourth proportional to 125,061, 187,534.80 and 53,950.10 is: 80,900.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,061 : 187,534.80 = 53,950.10 : x
  2. Step 2: Convert to fraction form
    125,061/187,534.80 = 53,950.10/x
  3. Step 3: Cross multiply
    125,061x = 187,534.80 × 53,950.10
  4. Step 4: Simplify right side
    125,061x = 10,117,520,275.81
  5. Step 5: Solve for x
    x = 10,117,520,275.81/125,061
  6. Step 6: Final answer
    x = 80,900.68

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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.