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Finding the Fourth Proportional to 174,388.90, 240,729.80 and 117,876.82

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Solution

The fourth proportional to 174,388.90, 240,729.80 and 117,876.82 is: 162,719.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,388.90 : 240,729.80 = 117,876.82 : x
  2. Step 2: Convert to fraction form
    174,388.90/240,729.80 = 117,876.82/x
  3. Step 3: Cross multiply
    174,388.90x = 240,729.80 × 117,876.82
  4. Step 4: Simplify right side
    174,388.90x = 28,376,463,303.24
  5. Step 5: Solve for x
    x = 28,376,463,303.24/174,388.90
  6. Step 6: Final answer
    x = 162,719.44

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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.