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Finding the Fourth Proportional to 195,419.60, 292,254.60 and 163,926.80

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Solution

The fourth proportional to 195,419.60, 292,254.60 and 163,926.80 is: 245,156.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,419.60 : 292,254.60 = 163,926.80 : x
  2. Step 2: Convert to fraction form
    195,419.60/292,254.60 = 163,926.80/x
  3. Step 3: Cross multiply
    195,419.60x = 292,254.60 × 163,926.80
  4. Step 4: Simplify right side
    195,419.60x = 47,908,361,363.28
  5. Step 5: Solve for x
    x = 47,908,361,363.28/195,419.60
  6. Step 6: Final answer
    x = 245,156.38

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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.