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Finding the Fourth Proportional to 88,894.80, 133,633.80 and 62,780.40

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Solution

The fourth proportional to 88,894.80, 133,633.80 and 62,780.40 is: 94,376.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,894.80 : 133,633.80 = 62,780.40 : x
  2. Step 2: Convert to fraction form
    88,894.80/133,633.80 = 62,780.40/x
  3. Step 3: Cross multiply
    88,894.80x = 133,633.80 × 62,780.40
  4. Step 4: Simplify right side
    88,894.80x = 8,389,583,417.52
  5. Step 5: Solve for x
    x = 8,389,583,417.52/88,894.80
  6. Step 6: Final answer
    x = 94,376.54

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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.