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Finding the Fourth Proportional to 219,537.16, 329,354.34 and 69,823.24

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Solution

The fourth proportional to 219,537.16, 329,354.34 and 69,823.24 is: 104,750.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,537.16 : 329,354.34 = 69,823.24 : x
  2. Step 2: Convert to fraction form
    219,537.16/329,354.34 = 69,823.24/x
  3. Step 3: Cross multiply
    219,537.16x = 329,354.34 × 69,823.24
  4. Step 4: Simplify right side
    219,537.16x = 22,996,587,126.86
  5. Step 5: Solve for x
    x = 22,996,587,126.86/219,537.16
  6. Step 6: Final answer
    x = 104,750.32

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1.5x scale

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.