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Finding the Fourth Proportional to 121,501.60, 182,252.40 and 107,067.40

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Solution

The fourth proportional to 121,501.60, 182,252.40 and 107,067.40 is: 160,601.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,501.60 : 182,252.40 = 107,067.40 : x
  2. Step 2: Convert to fraction form
    121,501.60/182,252.40 = 107,067.40/x
  3. Step 3: Cross multiply
    121,501.60x = 182,252.40 × 107,067.40
  4. Step 4: Simplify right side
    121,501.60x = 19,513,290,611.76
  5. Step 5: Solve for x
    x = 19,513,290,611.76/121,501.60
  6. Step 6: Final answer
    x = 160,601.10

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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.