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Finding the Fourth Proportional to 151,854.66, 209,561.01 and 83,873.36

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Solution

The fourth proportional to 151,854.66, 209,561.01 and 83,873.36 is: 115,746.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,854.66 : 209,561.01 = 83,873.36 : x
  2. Step 2: Convert to fraction form
    151,854.66/209,561.01 = 83,873.36/x
  3. Step 3: Cross multiply
    151,854.66x = 209,561.01 × 83,873.36
  4. Step 4: Simplify right side
    151,854.66x = 17,576,586,033.69
  5. Step 5: Solve for x
    x = 17,576,586,033.69/151,854.66
  6. Step 6: Final answer
    x = 115,746.11

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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.