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Finding the Fourth Proportional to 88,113.61, 121,593.51 and 47,826.51

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Solution

The fourth proportional to 88,113.61, 121,593.51 and 47,826.51 is: 65,998.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,113.61 : 121,593.51 = 47,826.51 : x
  2. Step 2: Convert to fraction form
    88,113.61/121,593.51 = 47,826.51/x
  3. Step 3: Cross multiply
    88,113.61x = 121,593.51 × 47,826.51
  4. Step 4: Simplify right side
    88,113.61x = 5,815,393,221.95
  5. Step 5: Solve for x
    x = 5,815,393,221.95/88,113.61
  6. Step 6: Final answer
    x = 65,998.81

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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.