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Finding the Fourth Proportional to 103,697.51, 155,545.24 and 47,521.68

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Solution

The fourth proportional to 103,697.51, 155,545.24 and 47,521.68 is: 71,282.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,697.51 : 155,545.24 = 47,521.68 : x
  2. Step 2: Convert to fraction form
    103,697.51/155,545.24 = 47,521.68/x
  3. Step 3: Cross multiply
    103,697.51x = 155,545.24 × 47,521.68
  4. Step 4: Simplify right side
    103,697.51x = 7,391,771,120.80
  5. Step 5: Solve for x
    x = 7,391,771,120.80/103,697.51
  6. Step 6: Final answer
    x = 71,282.05

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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.