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Finding the Fourth Proportional to 154,752.27, 213,479.53 and 101,068.71

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Solution

The fourth proportional to 154,752.27, 213,479.53 and 101,068.71 is: 139,423.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,752.27 : 213,479.53 = 101,068.71 : x
  2. Step 2: Convert to fraction form
    154,752.27/213,479.53 = 101,068.71/x
  3. Step 3: Cross multiply
    154,752.27x = 213,479.53 × 101,068.71
  4. Step 4: Simplify right side
    154,752.27x = 21,576,099,781.62
  5. Step 5: Solve for x
    x = 21,576,099,781.62/154,752.27
  6. Step 6: Final answer
    x = 139,423.48

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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.