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Finding the Fourth Proportional to 117,700.76, 162,425.16 and 63,987.14

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Solution

The fourth proportional to 117,700.76, 162,425.16 and 63,987.14 is: 88,301.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,700.76 : 162,425.16 = 63,987.14 : x
  2. Step 2: Convert to fraction form
    117,700.76/162,425.16 = 63,987.14/x
  3. Step 3: Cross multiply
    117,700.76x = 162,425.16 × 63,987.14
  4. Step 4: Simplify right side
    117,700.76x = 10,393,120,640.32
  5. Step 5: Solve for x
    x = 10,393,120,640.32/117,700.76
  6. Step 6: Final answer
    x = 88,301.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.