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Finding the Fourth Proportional to 147,070.40, 220,605.60 and 133,073.60

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Solution

The fourth proportional to 147,070.40, 220,605.60 and 133,073.60 is: 199,610.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,070.40 : 220,605.60 = 133,073.60 : x
  2. Step 2: Convert to fraction form
    147,070.40/220,605.60 = 133,073.60/x
  3. Step 3: Cross multiply
    147,070.40x = 220,605.60 × 133,073.60
  4. Step 4: Simplify right side
    147,070.40x = 29,356,781,372.16
  5. Step 5: Solve for x
    x = 29,356,781,372.16/147,070.40
  6. Step 6: Final answer
    x = 199,610.40

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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.