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Finding the Fourth Proportional to 178,498.54, 245,854.98 and 133,031.08

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Solution

The fourth proportional to 178,498.54, 245,854.98 and 133,031.08 is: 183,230.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,498.54 : 245,854.98 = 133,031.08 : x
  2. Step 2: Convert to fraction form
    178,498.54/245,854.98 = 133,031.08/x
  3. Step 3: Cross multiply
    178,498.54x = 245,854.98 × 133,031.08
  4. Step 4: Simplify right side
    178,498.54x = 32,706,353,512.78
  5. Step 5: Solve for x
    x = 32,706,353,512.78/178,498.54
  6. Step 6: Final answer
    x = 183,230.37

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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.