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Finding the Fourth Proportional to 182,098.80, 251,291.43 and 105,613.07

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Solution

The fourth proportional to 182,098.80, 251,291.43 and 105,613.07 is: 145,743.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    182,098.80 : 251,291.43 = 105,613.07 : x
  2. Step 2: Convert to fraction form
    182,098.80/251,291.43 = 105,613.07/x
  3. Step 3: Cross multiply
    182,098.80x = 251,291.43 × 105,613.07
  4. Step 4: Simplify right side
    182,098.80x = 26,539,658,130.53
  5. Step 5: Solve for x
    x = 26,539,658,130.53/182,098.80
  6. Step 6: Final answer
    x = 145,743.18

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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.