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Finding the Fourth Proportional to 73,148.87, 109,712.10 and 23,222.45

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Solution

The fourth proportional to 73,148.87, 109,712.10 and 23,222.45 is: 34,830.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,148.87 : 109,712.10 = 23,222.45 : x
  2. Step 2: Convert to fraction form
    73,148.87/109,712.10 = 23,222.45/x
  3. Step 3: Cross multiply
    73,148.87x = 109,712.10 × 23,222.45
  4. Step 4: Simplify right side
    73,148.87x = 2,547,783,756.65
  5. Step 5: Solve for x
    x = 2,547,783,756.65/73,148.87
  6. Step 6: Final answer
    x = 34,830.12

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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.