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Finding the Fourth Proportional to 88,706.88, 122,443.92 and 51,006.24

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Solution

The fourth proportional to 88,706.88, 122,443.92 and 51,006.24 is: 70,404.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,706.88 : 122,443.92 = 51,006.24 : x
  2. Step 2: Convert to fraction form
    88,706.88/122,443.92 = 51,006.24/x
  3. Step 3: Cross multiply
    88,706.88x = 122,443.92 × 51,006.24
  4. Step 4: Simplify right side
    88,706.88x = 6,245,403,970.06
  5. Step 5: Solve for x
    x = 6,245,403,970.06/88,706.88
  6. Step 6: Final answer
    x = 70,404.96

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1.5x scale

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.