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Finding the Fourth Proportional to 240,642.72, 332,089.86 and 133,222.68

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Solution

The fourth proportional to 240,642.72, 332,089.86 and 133,222.68 is: 183,848.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,642.72 : 332,089.86 = 133,222.68 : x
  2. Step 2: Convert to fraction form
    240,642.72/332,089.86 = 133,222.68/x
  3. Step 3: Cross multiply
    240,642.72x = 332,089.86 × 133,222.68
  4. Step 4: Simplify right side
    240,642.72x = 44,241,901,150.02
  5. Step 5: Solve for x
    x = 44,241,901,150.02/240,642.72
  6. Step 6: Final answer
    x = 183,848.91

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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.