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Finding the Fourth Proportional to 282,503.60, 423,625.80 and 124,650.80

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Solution

The fourth proportional to 282,503.60, 423,625.80 and 124,650.80 is: 186,919.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,503.60 : 423,625.80 = 124,650.80 : x
  2. Step 2: Convert to fraction form
    282,503.60/423,625.80 = 124,650.80/x
  3. Step 3: Cross multiply
    282,503.60x = 423,625.80 × 124,650.80
  4. Step 4: Simplify right side
    282,503.60x = 52,805,294,870.64
  5. Step 5: Solve for x
    x = 52,805,294,870.64/282,503.60
  6. Step 6: Final answer
    x = 186,919.02

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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.