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Finding the Fourth Proportional to 188,862.60, 283,293.90 and 104,881.80

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Solution

The fourth proportional to 188,862.60, 283,293.90 and 104,881.80 is: 157,322.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,862.60 : 283,293.90 = 104,881.80 : x
  2. Step 2: Convert to fraction form
    188,862.60/283,293.90 = 104,881.80/x
  3. Step 3: Cross multiply
    188,862.60x = 283,293.90 × 104,881.80
  4. Step 4: Simplify right side
    188,862.60x = 29,712,374,161.02
  5. Step 5: Solve for x
    x = 29,712,374,161.02/188,862.60
  6. Step 6: Final answer
    x = 157,322.70

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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.