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Finding the Fourth Proportional to 124,217.93, 171,414.83 and 70,495.64

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Solution

The fourth proportional to 124,217.93, 171,414.83 and 70,495.64 is: 97,280.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,217.93 : 171,414.83 = 70,495.64 : x
  2. Step 2: Convert to fraction form
    124,217.93/171,414.83 = 70,495.64/x
  3. Step 3: Cross multiply
    124,217.93x = 171,414.83 × 70,495.64
  4. Step 4: Simplify right side
    124,217.93x = 12,083,996,936.79
  5. Step 5: Solve for x
    x = 12,083,996,936.79/124,217.93
  6. Step 6: Final answer
    x = 97,280.62

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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.