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Finding the Fourth Proportional to 250,066.17, 375,311.48 and 100,407.74

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Solution

The fourth proportional to 250,066.17, 375,311.48 and 100,407.74 is: 150,696.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,066.17 : 375,311.48 = 100,407.74 : x
  2. Step 2: Convert to fraction form
    250,066.17/375,311.48 = 100,407.74/x
  3. Step 3: Cross multiply
    250,066.17x = 375,311.48 × 100,407.74
  4. Step 4: Simplify right side
    250,066.17x = 37,684,175,124.26
  5. Step 5: Solve for x
    x = 37,684,175,124.26/250,066.17
  6. Step 6: Final answer
    x = 150,696.81

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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.