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Finding the Fourth Proportional to 100,314.72, 150,707.13 and 94,640.35

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Solution

The fourth proportional to 100,314.72, 150,707.13 and 94,640.35 is: 142,182.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,314.72 : 150,707.13 = 94,640.35 : x
  2. Step 2: Convert to fraction form
    100,314.72/150,707.13 = 94,640.35/x
  3. Step 3: Cross multiply
    100,314.72x = 150,707.13 × 94,640.35
  4. Step 4: Simplify right side
    100,314.72x = 14,262,975,530.70
  5. Step 5: Solve for x
    x = 14,262,975,530.70/100,314.72
  6. Step 6: Final answer
    x = 142,182.28

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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.