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Finding the Fourth Proportional to 127,200.13, 190,841.65 and 63,987.62

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Solution

The fourth proportional to 127,200.13, 190,841.65 and 63,987.62 is: 96,002.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,200.13 : 190,841.65 = 63,987.62 : x
  2. Step 2: Convert to fraction form
    127,200.13/190,841.65 = 63,987.62/x
  3. Step 3: Cross multiply
    127,200.13x = 190,841.65 × 63,987.62
  4. Step 4: Simplify right side
    127,200.13x = 12,211,503,655.34
  5. Step 5: Solve for x
    x = 12,211,503,655.34/127,200.13
  6. Step 6: Final answer
    x = 96,002.29

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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.