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Finding the Fourth Proportional to 123,973.60, 185,960.40 and 39,733.60

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Solution

The fourth proportional to 123,973.60, 185,960.40 and 39,733.60 is: 59,600.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,973.60 : 185,960.40 = 39,733.60 : x
  2. Step 2: Convert to fraction form
    123,973.60/185,960.40 = 39,733.60/x
  3. Step 3: Cross multiply
    123,973.60x = 185,960.40 × 39,733.60
  4. Step 4: Simplify right side
    123,973.60x = 7,388,876,149.44
  5. Step 5: Solve for x
    x = 7,388,876,149.44/123,973.60
  6. Step 6: Final answer
    x = 59,600.40

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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.