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Finding the Fourth Proportional to 125,473.99, 188,110.59 and 65,472.37

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Solution

The fourth proportional to 125,473.99, 188,110.59 and 65,472.37 is: 98,156.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,473.99 : 188,110.59 = 65,472.37 : x
  2. Step 2: Convert to fraction form
    125,473.99/188,110.59 = 65,472.37/x
  3. Step 3: Cross multiply
    125,473.99x = 188,110.59 × 65,472.37
  4. Step 4: Simplify right side
    125,473.99x = 12,316,046,149.40
  5. Step 5: Solve for x
    x = 12,316,046,149.40/125,473.99
  6. Step 6: Final answer
    x = 98,156.17

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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.