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Finding the Fourth Proportional to 123,068.77, 169,832.55 and 69,352.71

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Solution

The fourth proportional to 123,068.77, 169,832.55 and 69,352.71 is: 95,705.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,068.77 : 169,832.55 = 69,352.71 : x
  2. Step 2: Convert to fraction form
    123,068.77/169,832.55 = 69,352.71/x
  3. Step 3: Cross multiply
    123,068.77x = 169,832.55 × 69,352.71
  4. Step 4: Simplify right side
    123,068.77x = 11,778,346,821.80
  5. Step 5: Solve for x
    x = 11,778,346,821.80/123,068.77
  6. Step 6: Final answer
    x = 95,705.41

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1.5x scale

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.