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Finding the Fourth Proportional to 188,306.97, 283,478.50 and 171,547.69

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Solution

The fourth proportional to 188,306.97, 283,478.50 and 171,547.69 is: 258,248.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,306.97 : 283,478.50 = 171,547.69 : x
  2. Step 2: Convert to fraction form
    188,306.97/283,478.50 = 171,547.69/x
  3. Step 3: Cross multiply
    188,306.97x = 283,478.50 × 171,547.69
  4. Step 4: Simplify right side
    188,306.97x = 48,630,081,839.67
  5. Step 5: Solve for x
    x = 48,630,081,839.67/188,306.97
  6. Step 6: Final answer
    x = 258,248.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.