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Finding the Fourth Proportional to 173,759.70, 260,445.15 and 89,487.30

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Solution

The fourth proportional to 173,759.70, 260,445.15 and 89,487.30 is: 134,130.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,759.70 : 260,445.15 = 89,487.30 : x
  2. Step 2: Convert to fraction form
    173,759.70/260,445.15 = 89,487.30/x
  3. Step 3: Cross multiply
    173,759.70x = 260,445.15 × 89,487.30
  4. Step 4: Simplify right side
    173,759.70x = 23,306,533,271.60
  5. Step 5: Solve for x
    x = 23,306,533,271.60/173,759.70
  6. Step 6: Final answer
    x = 134,130.83

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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.