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Finding the Fourth Proportional to 158,853.60, 238,215.60 and 53,618.40

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Solution

The fourth proportional to 158,853.60, 238,215.60 and 53,618.40 is: 80,405.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,853.60 : 238,215.60 = 53,618.40 : x
  2. Step 2: Convert to fraction form
    158,853.60/238,215.60 = 53,618.40/x
  3. Step 3: Cross multiply
    158,853.60x = 238,215.60 × 53,618.40
  4. Step 4: Simplify right side
    158,853.60x = 12,772,739,327.04
  5. Step 5: Solve for x
    x = 12,772,739,327.04/158,853.60
  6. Step 6: Final answer
    x = 80,405.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.