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Finding the Fourth Proportional to 88,333, 121,901.08 and 48,047.64

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Solution

The fourth proportional to 88,333, 121,901.08 and 48,047.64 is: 66,306.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,333 : 121,901.08 = 48,047.64 : x
  2. Step 2: Convert to fraction form
    88,333/121,901.08 = 48,047.64/x
  3. Step 3: Cross multiply
    88,333x = 121,901.08 × 48,047.64
  4. Step 4: Simplify right side
    88,333x = 5,857,059,207.45
  5. Step 5: Solve for x
    x = 5,857,059,207.45/88,333
  6. Step 6: Final answer
    x = 66,306.58

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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.