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Finding the Fourth Proportional to 99,215.60, 148,847.40 and 29,097.20

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Solution

The fourth proportional to 99,215.60, 148,847.40 and 29,097.20 is: 43,652.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,215.60 : 148,847.40 = 29,097.20 : x
  2. Step 2: Convert to fraction form
    99,215.60/148,847.40 = 29,097.20/x
  3. Step 3: Cross multiply
    99,215.60x = 148,847.40 × 29,097.20
  4. Step 4: Simplify right side
    99,215.60x = 4,331,042,567.28
  5. Step 5: Solve for x
    x = 4,331,042,567.28/99,215.60
  6. Step 6: Final answer
    x = 43,652.84

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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.