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Finding the Fourth Proportional to 158,873.60, 238,483.20 and 88,889.60

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Solution

The fourth proportional to 158,873.60, 238,483.20 and 88,889.60 is: 133,431.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,873.60 : 238,483.20 = 88,889.60 : x
  2. Step 2: Convert to fraction form
    158,873.60/238,483.20 = 88,889.60/x
  3. Step 3: Cross multiply
    158,873.60x = 238,483.20 × 88,889.60
  4. Step 4: Simplify right side
    158,873.60x = 21,198,676,254.72
  5. Step 5: Solve for x
    x = 21,198,676,254.72/158,873.60
  6. Step 6: Final answer
    x = 133,431.08

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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.