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Finding the Fourth Proportional to 88,957,283.16, 122,760,113.04 and 49,799,381.88

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Solution

The fourth proportional to 88,957,283.16, 122,760,113.04 and 49,799,381.88 is: 68,722,622.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,957,283.16 : 122,760,113.04 = 49,799,381.88 : x
  2. Step 2: Convert to fraction form
    88,957,283.16/122,760,113.04 = 49,799,381.88/x
  3. Step 3: Cross multiply
    88,957,283.16x = 122,760,113.04 × 49,799,381.88
  4. Step 4: Simplify right side
    88,957,283.16x = 6,113,377,748,910,928
  5. Step 5: Solve for x
    x = 6,113,377,748,910,928/88,957,283.16
  6. Step 6: Final answer
    x = 68,722,622.05

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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.