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Finding the Fourth Proportional to 124,396.53, 171,613.15 and 79,050.23

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Solution

The fourth proportional to 124,396.53, 171,613.15 and 79,050.23 is: 109,054.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,396.53 : 171,613.15 = 79,050.23 : x
  2. Step 2: Convert to fraction form
    124,396.53/171,613.15 = 79,050.23/x
  3. Step 3: Cross multiply
    124,396.53x = 171,613.15 × 79,050.23
  4. Step 4: Simplify right side
    124,396.53x = 13,566,058,566.38
  5. Step 5: Solve for x
    x = 13,566,058,566.38/124,396.53
  6. Step 6: Final answer
    x = 109,054.96

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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.