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Finding the Fourth Proportional to 157,626.16, 217,532.44 and 90,562.48

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Solution

The fourth proportional to 157,626.16, 217,532.44 and 90,562.48 is: 124,981.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,626.16 : 217,532.44 = 90,562.48 : x
  2. Step 2: Convert to fraction form
    157,626.16/217,532.44 = 90,562.48/x
  3. Step 3: Cross multiply
    157,626.16x = 217,532.44 × 90,562.48
  4. Step 4: Simplify right side
    157,626.16x = 19,700,277,246.85
  5. Step 5: Solve for x
    x = 19,700,277,246.85/157,626.16
  6. Step 6: Final answer
    x = 124,981.01

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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.