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Finding the Fourth Proportional to 156,967.64, 216,613.71 and 116,860.76

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Solution

The fourth proportional to 156,967.64, 216,613.71 and 116,860.76 is: 161,266.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,967.64 : 216,613.71 = 116,860.76 : x
  2. Step 2: Convert to fraction form
    156,967.64/216,613.71 = 116,860.76/x
  3. Step 3: Cross multiply
    156,967.64x = 216,613.71 × 116,860.76
  4. Step 4: Simplify right side
    156,967.64x = 25,313,641,401.80
  5. Step 5: Solve for x
    x = 25,313,641,401.80/156,967.64
  6. Step 6: Final answer
    x = 161,266.63

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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.