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Finding the Fourth Proportional to 237,888.28, 328,286.28 and 130,459.06

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Solution

The fourth proportional to 237,888.28, 328,286.28 and 130,459.06 is: 180,033.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,888.28 : 328,286.28 = 130,459.06 : x
  2. Step 2: Convert to fraction form
    237,888.28/328,286.28 = 130,459.06/x
  3. Step 3: Cross multiply
    237,888.28x = 328,286.28 × 130,459.06
  4. Step 4: Simplify right side
    237,888.28x = 42,827,919,499.70
  5. Step 5: Solve for x
    x = 42,827,919,499.70/237,888.28
  6. Step 6: Final answer
    x = 180,033.75

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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.