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Finding the Fourth Proportional to 237,171.78, 327,303.18 and 129,746.34

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Solution

The fourth proportional to 237,171.78, 327,303.18 and 129,746.34 is: 179,053.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,171.78 : 327,303.18 = 129,746.34 : x
  2. Step 2: Convert to fraction form
    237,171.78/327,303.18 = 129,746.34/x
  3. Step 3: Cross multiply
    237,171.78x = 327,303.18 × 129,746.34
  4. Step 4: Simplify right side
    237,171.78x = 42,466,389,675.36
  5. Step 5: Solve for x
    x = 42,466,389,675.36/237,171.78
  6. Step 6: Final answer
    x = 179,053.30

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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.