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Finding the Fourth Proportional to 219,874.56, 329,627.16 and 153,117.60

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Solution

The fourth proportional to 219,874.56, 329,627.16 and 153,117.60 is: 229,547.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,874.56 : 329,627.16 = 153,117.60 : x
  2. Step 2: Convert to fraction form
    219,874.56/329,627.16 = 153,117.60/x
  3. Step 3: Cross multiply
    219,874.56x = 329,627.16 × 153,117.60
  4. Step 4: Simplify right side
    219,874.56x = 50,471,719,634.02
  5. Step 5: Solve for x
    x = 50,471,719,634.02/219,874.56
  6. Step 6: Final answer
    x = 229,547.79

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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.