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Finding the Fourth Proportional to 121,602.60, 182,403.90 and 32,869.80

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Solution

The fourth proportional to 121,602.60, 182,403.90 and 32,869.80 is: 49,304.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,602.60 : 182,403.90 = 32,869.80 : x
  2. Step 2: Convert to fraction form
    121,602.60/182,403.90 = 32,869.80/x
  3. Step 3: Cross multiply
    121,602.60x = 182,403.90 × 32,869.80
  4. Step 4: Simplify right side
    121,602.60x = 5,995,579,712.22
  5. Step 5: Solve for x
    x = 5,995,579,712.22/121,602.60
  6. Step 6: Final answer
    x = 49,304.70

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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.