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Finding the Fourth Proportional to 88,866.60, 133,256.70 and 49,381.80

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Solution

The fourth proportional to 88,866.60, 133,256.70 and 49,381.80 is: 74,048.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,866.60 : 133,256.70 = 49,381.80 : x
  2. Step 2: Convert to fraction form
    88,866.60/133,256.70 = 49,381.80/x
  3. Step 3: Cross multiply
    88,866.60x = 133,256.70 × 49,381.80
  4. Step 4: Simplify right side
    88,866.60x = 6,580,455,708.06
  5. Step 5: Solve for x
    x = 6,580,455,708.06/88,866.60
  6. Step 6: Final answer
    x = 74,048.69

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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.