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Finding the Fourth Proportional to 254,070.99, 381,106.51 and 67,084.11

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Solution

The fourth proportional to 254,070.99, 381,106.51 and 67,084.11 is: 100,626.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,070.99 : 381,106.51 = 67,084.11 : x
  2. Step 2: Convert to fraction form
    254,070.99/381,106.51 = 67,084.11/x
  3. Step 3: Cross multiply
    254,070.99x = 381,106.51 × 67,084.11
  4. Step 4: Simplify right side
    254,070.99x = 25,566,191,038.56
  5. Step 5: Solve for x
    x = 25,566,191,038.56/254,070.99
  6. Step 6: Final answer
    x = 100,626.17

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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.