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Finding the Fourth Proportional to 158,525.96, 218,788.34 and 98,116.07

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Solution

The fourth proportional to 158,525.96, 218,788.34 and 98,116.07 is: 135,414.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,525.96 : 218,788.34 = 98,116.07 : x
  2. Step 2: Convert to fraction form
    158,525.96/218,788.34 = 98,116.07/x
  3. Step 3: Cross multiply
    158,525.96x = 218,788.34 × 98,116.07
  4. Step 4: Simplify right side
    158,525.96x = 21,466,650,498.10
  5. Step 5: Solve for x
    x = 21,466,650,498.10/158,525.96
  6. Step 6: Final answer
    x = 135,414.11

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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.