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Finding the Fourth Proportional to 96,881.57, 145,187.01 and 46,948.43

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Solution

The fourth proportional to 96,881.57, 145,187.01 and 46,948.43 is: 70,357.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,881.57 : 145,187.01 = 46,948.43 : x
  2. Step 2: Convert to fraction form
    96,881.57/145,187.01 = 46,948.43/x
  3. Step 3: Cross multiply
    96,881.57x = 145,187.01 × 46,948.43
  4. Step 4: Simplify right side
    96,881.57x = 6,816,301,449.96
  5. Step 5: Solve for x
    x = 6,816,301,449.96/96,881.57
  6. Step 6: Final answer
    x = 70,357.05

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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.