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Finding the Fourth Proportional to 88,247.34, 121,749.12 and 58,048.92

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Solution

The fourth proportional to 88,247.34, 121,749.12 and 58,048.92 is: 80,086.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,247.34 : 121,749.12 = 58,048.92 : x
  2. Step 2: Convert to fraction form
    88,247.34/121,749.12 = 58,048.92/x
  3. Step 3: Cross multiply
    88,247.34x = 121,749.12 × 58,048.92
  4. Step 4: Simplify right side
    88,247.34x = 7,067,404,926.95
  5. Step 5: Solve for x
    x = 7,067,404,926.95/88,247.34
  6. Step 6: Final answer
    x = 80,086.32

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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.