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Finding the Fourth Proportional to 125,510.06, 187,794.54 and 74,723.34

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Solution

The fourth proportional to 125,510.06, 187,794.54 and 74,723.34 is: 111,804.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,510.06 : 187,794.54 = 74,723.34 : x
  2. Step 2: Convert to fraction form
    125,510.06/187,794.54 = 74,723.34/x
  3. Step 3: Cross multiply
    125,510.06x = 187,794.54 × 74,723.34
  4. Step 4: Simplify right side
    125,510.06x = 14,032,635,262.56
  5. Step 5: Solve for x
    x = 14,032,635,262.56/125,510.06
  6. Step 6: Final answer
    x = 111,804.86

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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.