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Finding the Fourth Proportional to 275,245,301.70, 412,867,952.55 and 93,492,479.70

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Solution

The fourth proportional to 275,245,301.70, 412,867,952.55 and 93,492,479.70 is: 140,238,719.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,245,301.70 : 412,867,952.55 = 93,492,479.70 : x
  2. Step 2: Convert to fraction form
    275,245,301.70/412,867,952.55 = 93,492,479.70/x
  3. Step 3: Cross multiply
    275,245,301.70x = 412,867,952.55 × 93,492,479.70
  4. Step 4: Simplify right side
    275,245,301.70x = 38,600,048,672,561,440
  5. Step 5: Solve for x
    x = 38,600,048,672,561,440/275,245,301.70
  6. Step 6: Final answer
    x = 140,238,719.55

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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.