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Finding the Fourth Proportional to 65,187.44, 97,630.14 and 55,595.60

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Solution

The fourth proportional to 65,187.44, 97,630.14 and 55,595.60 is: 83,264.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,187.44 : 97,630.14 = 55,595.60 : x
  2. Step 2: Convert to fraction form
    65,187.44/97,630.14 = 55,595.60/x
  3. Step 3: Cross multiply
    65,187.44x = 97,630.14 × 55,595.60
  4. Step 4: Simplify right side
    65,187.44x = 5,427,806,211.38
  5. Step 5: Solve for x
    x = 5,427,806,211.38/65,187.44
  6. Step 6: Final answer
    x = 83,264.60

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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.