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Finding the Fourth Proportional to 96,952.98, 133,762.95 and 79,017.15

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Solution

The fourth proportional to 96,952.98, 133,762.95 and 79,017.15 is: 109,017.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,952.98 : 133,762.95 = 79,017.15 : x
  2. Step 2: Convert to fraction form
    96,952.98/133,762.95 = 79,017.15/x
  3. Step 3: Cross multiply
    96,952.98x = 133,762.95 × 79,017.15
  4. Step 4: Simplify right side
    96,952.98x = 10,569,567,084.59
  5. Step 5: Solve for x
    x = 10,569,567,084.59/96,952.98
  6. Step 6: Final answer
    x = 109,017.45

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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.