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Finding the Fourth Proportional to 158,856.60, 238,220.10 and 53,621.40

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Solution

The fourth proportional to 158,856.60, 238,220.10 and 53,621.40 is: 80,410.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,856.60 : 238,220.10 = 53,621.40 : x
  2. Step 2: Convert to fraction form
    158,856.60/238,220.10 = 53,621.40/x
  3. Step 3: Cross multiply
    158,856.60x = 238,220.10 × 53,621.40
  4. Step 4: Simplify right side
    158,856.60x = 12,773,695,270.14
  5. Step 5: Solve for x
    x = 12,773,695,270.14/158,856.60
  6. Step 6: Final answer
    x = 80,410.23

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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.