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Finding the Fourth Proportional to 97,627.60, 134,726.80 and 52,915.60

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Solution

The fourth proportional to 97,627.60, 134,726.80 and 52,915.60 is: 73,023.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,627.60 : 134,726.80 = 52,915.60 : x
  2. Step 2: Convert to fraction form
    97,627.60/134,726.80 = 52,915.60/x
  3. Step 3: Cross multiply
    97,627.60x = 134,726.80 × 52,915.60
  4. Step 4: Simplify right side
    97,627.60x = 7,129,149,458.08
  5. Step 5: Solve for x
    x = 7,129,149,458.08/97,627.60
  6. Step 6: Final answer
    x = 73,023.91

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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.