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Finding the Fourth Proportional to 240,801.66, 332,302.91 and 138,827.30

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Solution

The fourth proportional to 240,801.66, 332,302.91 and 138,827.30 is: 191,579.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,801.66 : 332,302.91 = 138,827.30 : x
  2. Step 2: Convert to fraction form
    240,801.66/332,302.91 = 138,827.30/x
  3. Step 3: Cross multiply
    240,801.66x = 332,302.91 × 138,827.30
  4. Step 4: Simplify right side
    240,801.66x = 46,132,713,421.79
  5. Step 5: Solve for x
    x = 46,132,713,421.79/240,801.66
  6. Step 6: Final answer
    x = 191,579.72

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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.