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Finding the Fourth Proportional to 174,612.54, 240,967 and 99,161.58

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Solution

The fourth proportional to 174,612.54, 240,967 and 99,161.58 is: 136,843.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,612.54 : 240,967 = 99,161.58 : x
  2. Step 2: Convert to fraction form
    174,612.54/240,967 = 99,161.58/x
  3. Step 3: Cross multiply
    174,612.54x = 240,967 × 99,161.58
  4. Step 4: Simplify right side
    174,612.54x = 23,894,668,447.86
  5. Step 5: Solve for x
    x = 23,894,668,447.86/174,612.54
  6. Step 6: Final answer
    x = 136,843.94

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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.