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Finding the Fourth Proportional to 164,893,728.30, 247,584,661.65 and 92,255,585.10

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Solution

The fourth proportional to 164,893,728.30, 247,584,661.65 and 92,255,585.10 is: 138,519,930.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,893,728.30 : 247,584,661.65 = 92,255,585.10 : x
  2. Step 2: Convert to fraction form
    164,893,728.30/247,584,661.65 = 92,255,585.10/x
  3. Step 3: Cross multiply
    164,893,728.30x = 247,584,661.65 × 92,255,585.10
  4. Step 4: Simplify right side
    164,893,728.30x = 22,841,067,822,306,280
  5. Step 5: Solve for x
    x = 22,841,067,822,306,280/164,893,728.30
  6. Step 6: Final answer
    x = 138,519,930.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.