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Finding the Fourth Proportional to 158,163.48, 218,510.76 and 132,624.76

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Solution

The fourth proportional to 158,163.48, 218,510.76 and 132,624.76 is: 183,227.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,163.48 : 218,510.76 = 132,624.76 : x
  2. Step 2: Convert to fraction form
    158,163.48/218,510.76 = 132,624.76/x
  3. Step 3: Cross multiply
    158,163.48x = 218,510.76 × 132,624.76
  4. Step 4: Simplify right side
    158,163.48x = 28,979,937,102.42
  5. Step 5: Solve for x
    x = 28,979,937,102.42/158,163.48
  6. Step 6: Final answer
    x = 183,227.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.