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Finding the Fourth Proportional to 88,040.32, 121,495.04 and 47,753.92

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Solution

The fourth proportional to 88,040.32, 121,495.04 and 47,753.92 is: 65,900.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,040.32 : 121,495.04 = 47,753.92 : x
  2. Step 2: Convert to fraction form
    88,040.32/121,495.04 = 47,753.92/x
  3. Step 3: Cross multiply
    88,040.32x = 121,495.04 × 47,753.92
  4. Step 4: Simplify right side
    88,040.32x = 5,801,864,420.56
  5. Step 5: Solve for x
    x = 5,801,864,420.56/88,040.32
  6. Step 6: Final answer
    x = 65,900.08

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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.