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Finding the Fourth Proportional to 240,675.22, 332,129.53 and 138,663.22

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Solution

The fourth proportional to 240,675.22, 332,129.53 and 138,663.22 is: 191,353.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,675.22 : 332,129.53 = 138,663.22 : x
  2. Step 2: Convert to fraction form
    240,675.22/332,129.53 = 138,663.22/x
  3. Step 3: Cross multiply
    240,675.22x = 332,129.53 × 138,663.22
  4. Step 4: Simplify right side
    240,675.22x = 46,054,150,086.89
  5. Step 5: Solve for x
    x = 46,054,150,086.89/240,675.22
  6. Step 6: Final answer
    x = 191,353.93

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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.