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Finding the Fourth Proportional to 172,948.52, 259,430.56 and 52,996.84

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Solution

The fourth proportional to 172,948.52, 259,430.56 and 52,996.84 is: 79,497.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,948.52 : 259,430.56 = 52,996.84 : x
  2. Step 2: Convert to fraction form
    172,948.52/259,430.56 = 52,996.84/x
  3. Step 3: Cross multiply
    172,948.52x = 259,430.56 × 52,996.84
  4. Step 4: Simplify right side
    172,948.52x = 13,748,999,879.43
  5. Step 5: Solve for x
    x = 13,748,999,879.43/172,948.52
  6. Step 6: Final answer
    x = 79,497.64

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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.