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Finding the Fourth Proportional to 147,425.67, 220,763.30 and 97,430.85

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Solution

The fourth proportional to 147,425.67, 220,763.30 and 97,430.85 is: 145,898.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,425.67 : 220,763.30 = 97,430.85 : x
  2. Step 2: Convert to fraction form
    147,425.67/220,763.30 = 97,430.85/x
  3. Step 3: Cross multiply
    147,425.67x = 220,763.30 × 97,430.85
  4. Step 4: Simplify right side
    147,425.67x = 21,509,155,754.68
  5. Step 5: Solve for x
    x = 21,509,155,754.68/147,425.67
  6. Step 6: Final answer
    x = 145,898.31

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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.