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Finding the Fourth Proportional to 158,523.44, 218,784.72 and 98,113.52

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Solution

The fourth proportional to 158,523.44, 218,784.72 and 98,113.52 is: 135,410.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,523.44 : 218,784.72 = 98,113.52 : x
  2. Step 2: Convert to fraction form
    158,523.44/218,784.72 = 98,113.52/x
  3. Step 3: Cross multiply
    158,523.44x = 218,784.72 × 98,113.52
  4. Step 4: Simplify right side
    158,523.44x = 21,465,739,001.41
  5. Step 5: Solve for x
    x = 21,465,739,001.41/158,523.44
  6. Step 6: Final answer
    x = 135,410.50

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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.