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Finding the Fourth Proportional to 147,001.30, 220,501.95 and 53,494.90

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Solution

The fourth proportional to 147,001.30, 220,501.95 and 53,494.90 is: 80,242.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,001.30 : 220,501.95 = 53,494.90 : x
  2. Step 2: Convert to fraction form
    147,001.30/220,501.95 = 53,494.90/x
  3. Step 3: Cross multiply
    147,001.30x = 220,501.95 × 53,494.90
  4. Step 4: Simplify right side
    147,001.30x = 11,795,729,765.06
  5. Step 5: Solve for x
    x = 11,795,729,765.06/147,001.30
  6. Step 6: Final answer
    x = 80,242.35

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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.