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Finding the Fourth Proportional to 88,354.86, 121,928.43 and 48,068.97

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Solution

The fourth proportional to 88,354.86, 121,928.43 and 48,068.97 is: 66,334.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,354.86 : 121,928.43 = 48,068.97 : x
  2. Step 2: Convert to fraction form
    88,354.86/121,928.43 = 48,068.97/x
  3. Step 3: Cross multiply
    88,354.86x = 121,928.43 × 48,068.97
  4. Step 4: Simplify right side
    88,354.86x = 5,860,974,043.82
  5. Step 5: Solve for x
    x = 5,860,974,043.82/88,354.86
  6. Step 6: Final answer
    x = 66,334.48

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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.