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Finding the Fourth Proportional to 127,200.03, 190,841.51 and 63,987.53

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Solution

The fourth proportional to 127,200.03, 190,841.51 and 63,987.53 is: 96,002.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,200.03 : 190,841.51 = 63,987.53 : x
  2. Step 2: Convert to fraction form
    127,200.03/190,841.51 = 63,987.53/x
  3. Step 3: Cross multiply
    127,200.03x = 190,841.51 × 63,987.53
  4. Step 4: Simplify right side
    127,200.03x = 12,211,476,765.69
  5. Step 5: Solve for x
    x = 12,211,476,765.69/127,200.03
  6. Step 6: Final answer
    x = 96,002.15

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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.