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Finding the Fourth Proportional to 158,967.60, 219,394.36 and 95,340.40

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Solution

The fourth proportional to 158,967.60, 219,394.36 and 95,340.40 is: 131,581.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,967.60 : 219,394.36 = 95,340.40 : x
  2. Step 2: Convert to fraction form
    158,967.60/219,394.36 = 95,340.40/x
  3. Step 3: Cross multiply
    158,967.60x = 219,394.36 × 95,340.40
  4. Step 4: Simplify right side
    158,967.60x = 20,917,146,040.14
  5. Step 5: Solve for x
    x = 20,917,146,040.14/158,967.60
  6. Step 6: Final answer
    x = 131,581.19

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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.