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Finding the Fourth Proportional to 124,613.20, 171,960.22 and 70,893.16

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Solution

The fourth proportional to 124,613.20, 171,960.22 and 70,893.16 is: 97,829.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,613.20 : 171,960.22 = 70,893.16 : x
  2. Step 2: Convert to fraction form
    124,613.20/171,960.22 = 70,893.16/x
  3. Step 3: Cross multiply
    124,613.20x = 171,960.22 × 70,893.16
  4. Step 4: Simplify right side
    124,613.20x = 12,190,803,390.10
  5. Step 5: Solve for x
    x = 12,190,803,390.10/124,613.20
  6. Step 6: Final answer
    x = 97,829.15

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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.