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Finding the Fourth Proportional to 88,504.71, 122,017.05 and 85,752.87

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Solution

The fourth proportional to 88,504.71, 122,017.05 and 85,752.87 is: 118,223.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,504.71 : 122,017.05 = 85,752.87 : x
  2. Step 2: Convert to fraction form
    88,504.71/122,017.05 = 85,752.87/x
  3. Step 3: Cross multiply
    88,504.71x = 122,017.05 × 85,752.87
  4. Step 4: Simplify right side
    88,504.71x = 10,463,312,226.43
  5. Step 5: Solve for x
    x = 10,463,312,226.43/88,504.71
  6. Step 6: Final answer
    x = 118,223.22

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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.