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Finding the Fourth Proportional to 105,207.70, 157,717.59 and 38,632.36

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Solution

The fourth proportional to 105,207.70, 157,717.59 and 38,632.36 is: 57,914.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,207.70 : 157,717.59 = 38,632.36 : x
  2. Step 2: Convert to fraction form
    105,207.70/157,717.59 = 38,632.36/x
  3. Step 3: Cross multiply
    105,207.70x = 157,717.59 × 38,632.36
  4. Step 4: Simplify right side
    105,207.70x = 6,093,002,715.21
  5. Step 5: Solve for x
    x = 6,093,002,715.21/105,207.70
  6. Step 6: Final answer
    x = 57,914.04

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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.