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Finding the Fourth Proportional to 240,774.16, 332,271.82 and 138,797.76

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Solution

The fourth proportional to 240,774.16, 332,271.82 and 138,797.76 is: 191,542.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,774.16 : 332,271.82 = 138,797.76 : x
  2. Step 2: Convert to fraction form
    240,774.16/332,271.82 = 138,797.76/x
  3. Step 3: Cross multiply
    240,774.16x = 332,271.82 × 138,797.76
  4. Step 4: Simplify right side
    240,774.16x = 46,118,584,327.12
  5. Step 5: Solve for x
    x = 46,118,584,327.12/240,774.16
  6. Step 6: Final answer
    x = 191,542.91

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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.