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Finding the Fourth Proportional to 240,608.13, 332,074.22 and 138,613.74

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Solution

The fourth proportional to 240,608.13, 332,074.22 and 138,613.74 is: 191,307.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,608.13 : 332,074.22 = 138,613.74 : x
  2. Step 2: Convert to fraction form
    240,608.13/332,074.22 = 138,613.74/x
  3. Step 3: Cross multiply
    240,608.13x = 332,074.22 × 138,613.74
  4. Step 4: Simplify right side
    240,608.13x = 46,030,048,898.71
  5. Step 5: Solve for x
    x = 46,030,048,898.71/240,608.13
  6. Step 6: Final answer
    x = 191,307.12

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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.