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Finding the Fourth Proportional to 250,051.40, 375,077.10 and 100,314.80

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Solution

The fourth proportional to 250,051.40, 375,077.10 and 100,314.80 is: 150,472.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,051.40 : 375,077.10 = 100,314.80 : x
  2. Step 2: Convert to fraction form
    250,051.40/375,077.10 = 100,314.80/x
  3. Step 3: Cross multiply
    250,051.40x = 375,077.10 × 100,314.80
  4. Step 4: Simplify right side
    250,051.40x = 37,625,784,271.08
  5. Step 5: Solve for x
    x = 37,625,784,271.08/250,051.40
  6. Step 6: Final answer
    x = 150,472.20

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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.