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Finding the Fourth Proportional to 195,681.60, 292,744.80 and 169,675.20

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Solution

The fourth proportional to 195,681.60, 292,744.80 and 169,675.20 is: 253,838.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,681.60 : 292,744.80 = 169,675.20 : x
  2. Step 2: Convert to fraction form
    195,681.60/292,744.80 = 169,675.20/x
  3. Step 3: Cross multiply
    195,681.60x = 292,744.80 × 169,675.20
  4. Step 4: Simplify right side
    195,681.60x = 49,671,532,488.96
  5. Step 5: Solve for x
    x = 49,671,532,488.96/195,681.60
  6. Step 6: Final answer
    x = 253,838.54

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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.