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Finding the Fourth Proportional to 173,342.80, 260,100.60 and 98,520.40

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Solution

The fourth proportional to 173,342.80, 260,100.60 and 98,520.40 is: 147,829.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,342.80 : 260,100.60 = 98,520.40 : x
  2. Step 2: Convert to fraction form
    173,342.80/260,100.60 = 98,520.40/x
  3. Step 3: Cross multiply
    173,342.80x = 260,100.60 × 98,520.40
  4. Step 4: Simplify right side
    173,342.80x = 25,625,215,152.24
  5. Step 5: Solve for x
    x = 25,625,215,152.24/173,342.80
  6. Step 6: Final answer
    x = 147,829.71

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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.