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Finding the Fourth Proportional to 79,597.39, 119,870.13 and 69,333.07

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Solution

The fourth proportional to 79,597.39, 119,870.13 and 69,333.07 is: 104,412.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,597.39 : 119,870.13 = 69,333.07 : x
  2. Step 2: Convert to fraction form
    79,597.39/119,870.13 = 69,333.07/x
  3. Step 3: Cross multiply
    79,597.39x = 119,870.13 × 69,333.07
  4. Step 4: Simplify right side
    79,597.39x = 8,310,964,114.20
  5. Step 5: Solve for x
    x = 8,310,964,114.20/79,597.39
  6. Step 6: Final answer
    x = 104,412.52

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.