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Finding the Fourth Proportional to 88,688.39, 122,391.20 and 52,899.14

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Solution

The fourth proportional to 88,688.39, 122,391.20 and 52,899.14 is: 73,001.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,688.39 : 122,391.20 = 52,899.14 : x
  2. Step 2: Convert to fraction form
    88,688.39/122,391.20 = 52,899.14/x
  3. Step 3: Cross multiply
    88,688.39x = 122,391.20 × 52,899.14
  4. Step 4: Simplify right side
    88,688.39x = 6,474,389,661.79
  5. Step 5: Solve for x
    x = 6,474,389,661.79/88,688.39
  6. Step 6: Final answer
    x = 73,001.55

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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.