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Finding the Fourth Proportional to 175,572.70, 263,359.05 and 172,948.30

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Solution

The fourth proportional to 175,572.70, 263,359.05 and 172,948.30 is: 259,422.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,572.70 : 263,359.05 = 172,948.30 : x
  2. Step 2: Convert to fraction form
    175,572.70/263,359.05 = 172,948.30/x
  3. Step 3: Cross multiply
    175,572.70x = 263,359.05 × 172,948.30
  4. Step 4: Simplify right side
    175,572.70x = 45,547,499,987.12
  5. Step 5: Solve for x
    x = 45,547,499,987.12/175,572.70
  6. Step 6: Final answer
    x = 259,422.45

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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.