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Finding the Fourth Proportional to 161,427.60, 241,849.80 and 99,025.20

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Solution

The fourth proportional to 161,427.60, 241,849.80 and 99,025.20 is: 148,358.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,427.60 : 241,849.80 = 99,025.20 : x
  2. Step 2: Convert to fraction form
    161,427.60/241,849.80 = 99,025.20/x
  3. Step 3: Cross multiply
    161,427.60x = 241,849.80 × 99,025.20
  4. Step 4: Simplify right side
    161,427.60x = 23,949,224,814.96
  5. Step 5: Solve for x
    x = 23,949,224,814.96/161,427.60
  6. Step 6: Final answer
    x = 148,358.92

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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.