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Finding the Fourth Proportional to 88,742.40, 133,094.40 and 38,822.40

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Solution

The fourth proportional to 88,742.40, 133,094.40 and 38,822.40 is: 58,225.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,742.40 : 133,094.40 = 38,822.40 : x
  2. Step 2: Convert to fraction form
    88,742.40/133,094.40 = 38,822.40/x
  3. Step 3: Cross multiply
    88,742.40x = 133,094.40 × 38,822.40
  4. Step 4: Simplify right side
    88,742.40x = 5,167,044,034.56
  5. Step 5: Solve for x
    x = 5,167,044,034.56/88,742.40
  6. Step 6: Final answer
    x = 58,225.20

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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.