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Finding the Fourth Proportional to 173,886.80, 260,862.60 and 55,591.70

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Solution

The fourth proportional to 173,886.80, 260,862.60 and 55,591.70 is: 83,397.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,886.80 : 260,862.60 = 55,591.70 : x
  2. Step 2: Convert to fraction form
    173,886.80/260,862.60 = 55,591.70/x
  3. Step 3: Cross multiply
    173,886.80x = 260,862.60 × 55,591.70
  4. Step 4: Simplify right side
    173,886.80x = 14,501,795,400.42
  5. Step 5: Solve for x
    x = 14,501,795,400.42/173,886.80
  6. Step 6: Final answer
    x = 83,397.91

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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.