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Finding the Fourth Proportional to 78,952.68, 118,326.96 and 59,075.28

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Solution

The fourth proportional to 78,952.68, 118,326.96 and 59,075.28 is: 88,536.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,952.68 : 118,326.96 = 59,075.28 : x
  2. Step 2: Convert to fraction form
    78,952.68/118,326.96 = 59,075.28/x
  3. Step 3: Cross multiply
    78,952.68x = 118,326.96 × 59,075.28
  4. Step 4: Simplify right side
    78,952.68x = 6,990,198,293.55
  5. Step 5: Solve for x
    x = 6,990,198,293.55/78,952.68
  6. Step 6: Final answer
    x = 88,536.55

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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.