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Finding the Fourth Proportional to 107,021.70, 160,532.55 and 100,460.70

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Solution

The fourth proportional to 107,021.70, 160,532.55 and 100,460.70 is: 150,691.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,021.70 : 160,532.55 = 100,460.70 : x
  2. Step 2: Convert to fraction form
    107,021.70/160,532.55 = 100,460.70/x
  3. Step 3: Cross multiply
    107,021.70x = 160,532.55 × 100,460.70
  4. Step 4: Simplify right side
    107,021.70x = 16,127,212,345.79
  5. Step 5: Solve for x
    x = 16,127,212,345.79/107,021.70
  6. Step 6: Final answer
    x = 150,691.05

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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.