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Finding the Fourth Proportional to 121,675.52, 182,362.60 and 68,925.08

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Solution

The fourth proportional to 121,675.52, 182,362.60 and 68,925.08 is: 103,302.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,675.52 : 182,362.60 = 68,925.08 : x
  2. Step 2: Convert to fraction form
    121,675.52/182,362.60 = 68,925.08/x
  3. Step 3: Cross multiply
    121,675.52x = 182,362.60 × 68,925.08
  4. Step 4: Simplify right side
    121,675.52x = 12,569,356,794.01
  5. Step 5: Solve for x
    x = 12,569,356,794.01/121,675.52
  6. Step 6: Final answer
    x = 103,302.26

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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.