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Finding the Fourth Proportional to 174,339, 240,314.87 and 113,879.39

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Solution

The fourth proportional to 174,339, 240,314.87 and 113,879.39 is: 156,975.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,339 : 240,314.87 = 113,879.39 : x
  2. Step 2: Convert to fraction form
    174,339/240,314.87 = 113,879.39/x
  3. Step 3: Cross multiply
    174,339x = 240,314.87 × 113,879.39
  4. Step 4: Simplify right side
    174,339x = 27,366,909,886.65
  5. Step 5: Solve for x
    x = 27,366,909,886.65/174,339
  6. Step 6: Final answer
    x = 156,975.26

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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.