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Finding the Fourth Proportional to 125,655.91, 188,510.29 and 36,901.98

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Solution

The fourth proportional to 125,655.91, 188,510.29 and 36,901.98 is: 55,360.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,655.91 : 188,510.29 = 36,901.98 : x
  2. Step 2: Convert to fraction form
    125,655.91/188,510.29 = 36,901.98/x
  3. Step 3: Cross multiply
    125,655.91x = 188,510.29 × 36,901.98
  4. Step 4: Simplify right side
    125,655.91x = 6,956,402,859.12
  5. Step 5: Solve for x
    x = 6,956,402,859.12/125,655.91
  6. Step 6: Final answer
    x = 55,360.73

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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.