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Finding the Fourth Proportional to 125,282.77, 187,591.65 and 97,993.06

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Solution

The fourth proportional to 125,282.77, 187,591.65 and 97,993.06 is: 146,729.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,282.77 : 187,591.65 = 97,993.06 : x
  2. Step 2: Convert to fraction form
    125,282.77/187,591.65 = 97,993.06/x
  3. Step 3: Cross multiply
    125,282.77x = 187,591.65 × 97,993.06
  4. Step 4: Simplify right side
    125,282.77x = 18,382,679,813.95
  5. Step 5: Solve for x
    x = 18,382,679,813.95/125,282.77
  6. Step 6: Final answer
    x = 146,729.51

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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.