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Finding the Fourth Proportional to 103,101.90, 154,614.91 and 35,616.76

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Solution

The fourth proportional to 103,101.90, 154,614.91 and 35,616.76 is: 53,412.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,101.90 : 154,614.91 = 35,616.76 : x
  2. Step 2: Convert to fraction form
    103,101.90/154,614.91 = 35,616.76/x
  3. Step 3: Cross multiply
    103,101.90x = 154,614.91 × 35,616.76
  4. Step 4: Simplify right side
    103,101.90x = 5,506,882,141.89
  5. Step 5: Solve for x
    x = 5,506,882,141.89/103,101.90
  6. Step 6: Final answer
    x = 53,412.03

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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.