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Finding the Fourth Proportional to 140,875.65, 211,326.84 and 39,673.44

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Solution

The fourth proportional to 140,875.65, 211,326.84 and 39,673.44 is: 59,513.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,875.65 : 211,326.84 = 39,673.44 : x
  2. Step 2: Convert to fraction form
    140,875.65/211,326.84 = 39,673.44/x
  3. Step 3: Cross multiply
    140,875.65x = 211,326.84 × 39,673.44
  4. Step 4: Simplify right side
    140,875.65x = 8,384,062,707.13
  5. Step 5: Solve for x
    x = 8,384,062,707.13/140,875.65
  6. Step 6: Final answer
    x = 59,513.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.