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Finding the Fourth Proportional to 89,023.61, 122,854.05 and 48,736.71

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Solution

The fourth proportional to 89,023.61, 122,854.05 and 48,736.71 is: 67,257.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,023.61 : 122,854.05 = 48,736.71 : x
  2. Step 2: Convert to fraction form
    89,023.61/122,854.05 = 48,736.71/x
  3. Step 3: Cross multiply
    89,023.61x = 122,854.05 × 48,736.71
  4. Step 4: Simplify right side
    89,023.61x = 5,987,502,207.18
  5. Step 5: Solve for x
    x = 5,987,502,207.18/89,023.61
  6. Step 6: Final answer
    x = 67,257.46

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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.