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Finding the Fourth Proportional to 66,833.81, 99,398.54 and 65,150.53

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Solution

The fourth proportional to 66,833.81, 99,398.54 and 65,150.53 is: 96,895.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,833.81 : 99,398.54 = 65,150.53 : x
  2. Step 2: Convert to fraction form
    66,833.81/99,398.54 = 65,150.53/x
  3. Step 3: Cross multiply
    66,833.81x = 99,398.54 × 65,150.53
  4. Step 4: Simplify right side
    66,833.81x = 6,475,867,476.61
  5. Step 5: Solve for x
    x = 6,475,867,476.61/66,833.81
  6. Step 6: Final answer
    x = 96,895.08

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.