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Finding the Fourth Proportional to 245,330.70, 367,886.70 and 95,521.20

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Solution

The fourth proportional to 245,330.70, 367,886.70 and 95,521.20 is: 143,239.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,330.70 : 367,886.70 = 95,521.20 : x
  2. Step 2: Convert to fraction form
    245,330.70/367,886.70 = 95,521.20/x
  3. Step 3: Cross multiply
    245,330.70x = 367,886.70 × 95,521.20
  4. Step 4: Simplify right side
    245,330.70x = 35,140,979,048.04
  5. Step 5: Solve for x
    x = 35,140,979,048.04/245,330.70
  6. Step 6: Final answer
    x = 143,239.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.