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Finding the Fourth Proportional to 167,686.80, 251,572.68 and 49,362

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Solution

The fourth proportional to 167,686.80, 251,572.68 and 49,362 is: 74,055.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,686.80 : 251,572.68 = 49,362 : x
  2. Step 2: Convert to fraction form
    167,686.80/251,572.68 = 49,362/x
  3. Step 3: Cross multiply
    167,686.80x = 251,572.68 × 49,362
  4. Step 4: Simplify right side
    167,686.80x = 12,418,130,630.16
  5. Step 5: Solve for x
    x = 12,418,130,630.16/167,686.80
  6. Step 6: Final answer
    x = 74,055.50

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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.