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Finding the Fourth Proportional to 180,147.88, 248,590.92 and 99,570.88

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Solution

The fourth proportional to 180,147.88, 248,590.92 and 99,570.88 is: 137,400.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,147.88 : 248,590.92 = 99,570.88 : x
  2. Step 2: Convert to fraction form
    180,147.88/248,590.92 = 99,570.88/x
  3. Step 3: Cross multiply
    180,147.88x = 248,590.92 × 99,570.88
  4. Step 4: Simplify right side
    180,147.88x = 24,752,416,664.41
  5. Step 5: Solve for x
    x = 24,752,416,664.41/180,147.88
  6. Step 6: Final answer
    x = 137,400.54

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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.