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Finding the Fourth Proportional to 149,435.60, 224,590.80 and 146,811.20

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Solution

The fourth proportional to 149,435.60, 224,590.80 and 146,811.20 is: 220,646.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,435.60 : 224,590.80 = 146,811.20 : x
  2. Step 2: Convert to fraction form
    149,435.60/224,590.80 = 146,811.20/x
  3. Step 3: Cross multiply
    149,435.60x = 224,590.80 × 146,811.20
  4. Step 4: Simplify right side
    149,435.60x = 32,972,444,856.96
  5. Step 5: Solve for x
    x = 32,972,444,856.96/149,435.60
  6. Step 6: Final answer
    x = 220,646.52

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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.