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Finding the Fourth Proportional to 88,655.90, 122,344.88 and 48,369.38

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Solution

The fourth proportional to 88,655.90, 122,344.88 and 48,369.38 is: 66,749.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,655.90 : 122,344.88 = 48,369.38 : x
  2. Step 2: Convert to fraction form
    88,655.90/122,344.88 = 48,369.38/x
  3. Step 3: Cross multiply
    88,655.90x = 122,344.88 × 48,369.38
  4. Step 4: Simplify right side
    88,655.90x = 5,917,745,138.20
  5. Step 5: Solve for x
    x = 5,917,745,138.20/88,655.90
  6. Step 6: Final answer
    x = 66,749.60

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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.