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Finding the Fourth Proportional to 98,722.68, 148,043.26 and 37,923.76

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Solution

The fourth proportional to 98,722.68, 148,043.26 and 37,923.76 is: 56,869.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,722.68 : 148,043.26 = 37,923.76 : x
  2. Step 2: Convert to fraction form
    98,722.68/148,043.26 = 37,923.76/x
  3. Step 3: Cross multiply
    98,722.68x = 148,043.26 × 37,923.76
  4. Step 4: Simplify right side
    98,722.68x = 5,614,357,061.86
  5. Step 5: Solve for x
    x = 5,614,357,061.86/98,722.68
  6. Step 6: Final answer
    x = 56,869.98

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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.