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Finding the Fourth Proportional to 209,952,353.70, 314,928,530.55 and 56,592,915.30

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Solution

The fourth proportional to 209,952,353.70, 314,928,530.55 and 56,592,915.30 is: 84,889,372.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,952,353.70 : 314,928,530.55 = 56,592,915.30 : x
  2. Step 2: Convert to fraction form
    209,952,353.70/314,928,530.55 = 56,592,915.30/x
  3. Step 3: Cross multiply
    209,952,353.70x = 314,928,530.55 × 56,592,915.30
  4. Step 4: Simplify right side
    209,952,353.70x = 17,822,723,654,969,612
  5. Step 5: Solve for x
    x = 17,822,723,654,969,612/209,952,353.70
  6. Step 6: Final answer
    x = 84,889,372.95

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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.