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Finding the Fourth Proportional to 165,569.40, 248,098.95 and 123,250.95

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Solution

The fourth proportional to 165,569.40, 248,098.95 and 123,250.95 is: 184,686.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,569.40 : 248,098.95 = 123,250.95 : x
  2. Step 2: Convert to fraction form
    165,569.40/248,098.95 = 123,250.95/x
  3. Step 3: Cross multiply
    165,569.40x = 248,098.95 × 123,250.95
  4. Step 4: Simplify right side
    165,569.40x = 30,578,431,281.50
  5. Step 5: Solve for x
    x = 30,578,431,281.50/165,569.40
  6. Step 6: Final answer
    x = 184,686.49

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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.