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Finding the Fourth Proportional to 173,687.40, 260,336.70 and 98,843.40

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Solution

The fourth proportional to 173,687.40, 260,336.70 and 98,843.40 is: 148,154.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,687.40 : 260,336.70 = 98,843.40 : x
  2. Step 2: Convert to fraction form
    173,687.40/260,336.70 = 98,843.40/x
  3. Step 3: Cross multiply
    173,687.40x = 260,336.70 × 98,843.40
  4. Step 4: Simplify right side
    173,687.40x = 25,732,564,572.78
  5. Step 5: Solve for x
    x = 25,732,564,572.78/173,687.40
  6. Step 6: Final answer
    x = 148,154.47

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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.