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Finding the Fourth Proportional to 88,348.83, 121,921.29 and 48,062.50

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Solution

The fourth proportional to 88,348.83, 121,921.29 and 48,062.50 is: 66,326.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,348.83 : 121,921.29 = 48,062.50 : x
  2. Step 2: Convert to fraction form
    88,348.83/121,921.29 = 48,062.50/x
  3. Step 3: Cross multiply
    88,348.83x = 121,921.29 × 48,062.50
  4. Step 4: Simplify right side
    88,348.83x = 5,859,842,000.63
  5. Step 5: Solve for x
    x = 5,859,842,000.63/88,348.83
  6. Step 6: Final answer
    x = 66,326.20

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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.