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Finding the Fourth Proportional to 124,613.11, 171,960.06 and 70,893.10

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Solution

The fourth proportional to 124,613.11, 171,960.06 and 70,893.10 is: 97,829.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,613.11 : 171,960.06 = 70,893.10 : x
  2. Step 2: Convert to fraction form
    124,613.11/171,960.06 = 70,893.10/x
  3. Step 3: Cross multiply
    124,613.11x = 171,960.06 × 70,893.10
  4. Step 4: Simplify right side
    124,613.11x = 12,190,781,729.59
  5. Step 5: Solve for x
    x = 12,190,781,729.59/124,613.11
  6. Step 6: Final answer
    x = 97,829.05

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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.