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Finding the Fourth Proportional to 240,701.86, 332,178.95 and 133,271.90

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Solution

The fourth proportional to 240,701.86, 332,178.95 and 133,271.90 is: 183,920.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,701.86 : 332,178.95 = 133,271.90 : x
  2. Step 2: Convert to fraction form
    240,701.86/332,178.95 = 133,271.90/x
  3. Step 3: Cross multiply
    240,701.86x = 332,178.95 × 133,271.90
  4. Step 4: Simplify right side
    240,701.86x = 44,270,119,806.51
  5. Step 5: Solve for x
    x = 44,270,119,806.51/240,701.86
  6. Step 6: Final answer
    x = 183,920.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.