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Finding the Fourth Proportional to 101,882.04, 152,607.60 and 64,422.78

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Solution

The fourth proportional to 101,882.04, 152,607.60 and 64,422.78 is: 96,497.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,882.04 : 152,607.60 = 64,422.78 : x
  2. Step 2: Convert to fraction form
    101,882.04/152,607.60 = 64,422.78/x
  3. Step 3: Cross multiply
    101,882.04x = 152,607.60 × 64,422.78
  4. Step 4: Simplify right side
    101,882.04x = 9,831,405,841.13
  5. Step 5: Solve for x
    x = 9,831,405,841.13/101,882.04
  6. Step 6: Final answer
    x = 96,497.93

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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.