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Finding the Fourth Proportional to 124,217.94, 171,412.11 and 70,504.05

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Solution

The fourth proportional to 124,217.94, 171,412.11 and 70,504.05 is: 97,290.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,217.94 : 171,412.11 = 70,504.05 : x
  2. Step 2: Convert to fraction form
    124,217.94/171,412.11 = 70,504.05/x
  3. Step 3: Cross multiply
    124,217.94x = 171,412.11 × 70,504.05
  4. Step 4: Simplify right side
    124,217.94x = 12,085,247,974.05
  5. Step 5: Solve for x
    x = 12,085,247,974.05/124,217.94
  6. Step 6: Final answer
    x = 97,290.68

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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.