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Finding the Fourth Proportional to 188,464.93, 260,082.45 and 103,587.46

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Solution

The fourth proportional to 188,464.93, 260,082.45 and 103,587.46 is: 142,951.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,464.93 : 260,082.45 = 103,587.46 : x
  2. Step 2: Convert to fraction form
    188,464.93/260,082.45 = 103,587.46/x
  3. Step 3: Cross multiply
    188,464.93x = 260,082.45 × 103,587.46
  4. Step 4: Simplify right side
    188,464.93x = 26,941,278,567.73
  5. Step 5: Solve for x
    x = 26,941,278,567.73/188,464.93
  6. Step 6: Final answer
    x = 142,951.15

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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.