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Finding the Fourth Proportional to 103,302.95, 154,948.95 and 33,176.79

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Solution

The fourth proportional to 103,302.95, 154,948.95 and 33,176.79 is: 49,763.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,302.95 : 154,948.95 = 33,176.79 : x
  2. Step 2: Convert to fraction form
    103,302.95/154,948.95 = 33,176.79/x
  3. Step 3: Cross multiply
    103,302.95x = 154,948.95 × 33,176.79
  4. Step 4: Simplify right side
    103,302.95x = 5,140,708,774.87
  5. Step 5: Solve for x
    x = 5,140,708,774.87/103,302.95
  6. Step 6: Final answer
    x = 49,763.43

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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.