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Finding the Fourth Proportional to 70,180.42, 96,913.65 and 45,073.66

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Solution

The fourth proportional to 70,180.42, 96,913.65 and 45,073.66 is: 62,243.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,180.42 : 96,913.65 = 45,073.66 : x
  2. Step 2: Convert to fraction form
    70,180.42/96,913.65 = 45,073.66/x
  3. Step 3: Cross multiply
    70,180.42x = 96,913.65 × 45,073.66
  4. Step 4: Simplify right side
    70,180.42x = 4,368,252,909.46
  5. Step 5: Solve for x
    x = 4,368,252,909.46/70,180.42
  6. Step 6: Final answer
    x = 62,243.19

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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.