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Finding the Fourth Proportional to 88,522.15, 122,315.97 and 70,763.71

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Solution

The fourth proportional to 88,522.15, 122,315.97 and 70,763.71 is: 97,778.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,522.15 : 122,315.97 = 70,763.71 : x
  2. Step 2: Convert to fraction form
    88,522.15/122,315.97 = 70,763.71/x
  3. Step 3: Cross multiply
    88,522.15x = 122,315.97 × 70,763.71
  4. Step 4: Simplify right side
    88,522.15x = 8,655,531,829.45
  5. Step 5: Solve for x
    x = 8,655,531,829.45/88,522.15
  6. Step 6: Final answer
    x = 97,778.15

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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.