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Finding the Fourth Proportional to 219,937.20, 297,148.50 and 219,937.20

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Solution

The fourth proportional to 219,937.20, 297,148.50 and 219,937.20 is: 297,148.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,937.20 : 297,148.50 = 219,937.20 : x
  2. Step 2: Convert to fraction form
    219,937.20/297,148.50 = 219,937.20/x
  3. Step 3: Cross multiply
    219,937.20x = 297,148.50 × 219,937.20
  4. Step 4: Simplify right side
    219,937.20x = 65,354,009,074.20
  5. Step 5: Solve for x
    x = 65,354,009,074.20/219,937.20
  6. Step 6: Final answer
    x = 297,148.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.