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Finding the Fourth Proportional to 196,773.52, 271,547.50 and 111,895.78

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Solution

The fourth proportional to 196,773.52, 271,547.50 and 111,895.78 is: 154,416.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,773.52 : 271,547.50 = 111,895.78 : x
  2. Step 2: Convert to fraction form
    196,773.52/271,547.50 = 111,895.78/x
  3. Step 3: Cross multiply
    196,773.52x = 271,547.50 × 111,895.78
  4. Step 4: Simplify right side
    196,773.52x = 30,385,019,319.55
  5. Step 5: Solve for x
    x = 30,385,019,319.55/196,773.52
  6. Step 6: Final answer
    x = 154,416.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.