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Finding the Fourth Proportional to 74,695.41, 112,042.71 and 43,084.98

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Solution

The fourth proportional to 74,695.41, 112,042.71 and 43,084.98 is: 64,627.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,695.41 : 112,042.71 = 43,084.98 : x
  2. Step 2: Convert to fraction form
    74,695.41/112,042.71 = 43,084.98/x
  3. Step 3: Cross multiply
    74,695.41x = 112,042.71 × 43,084.98
  4. Step 4: Simplify right side
    74,695.41x = 4,827,357,919.50
  5. Step 5: Solve for x
    x = 4,827,357,919.50/74,695.41
  6. Step 6: Final answer
    x = 64,627.24

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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.