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Finding the Fourth Proportional to 238,666.59, 329,358.72 and 140,606.76

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Solution

The fourth proportional to 238,666.59, 329,358.72 and 140,606.76 is: 194,036.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,666.59 : 329,358.72 = 140,606.76 : x
  2. Step 2: Convert to fraction form
    238,666.59/329,358.72 = 140,606.76/x
  3. Step 3: Cross multiply
    238,666.59x = 329,358.72 × 140,606.76
  4. Step 4: Simplify right side
    238,666.59x = 46,310,062,496.95
  5. Step 5: Solve for x
    x = 46,310,062,496.95/238,666.59
  6. Step 6: Final answer
    x = 194,036.64

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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.