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Finding the Fourth Proportional to 69,244.84, 95,510.31 and 42,400.63

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Solution

The fourth proportional to 69,244.84, 95,510.31 and 42,400.63 is: 58,483.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,244.84 : 95,510.31 = 42,400.63 : x
  2. Step 2: Convert to fraction form
    69,244.84/95,510.31 = 42,400.63/x
  3. Step 3: Cross multiply
    69,244.84x = 95,510.31 × 42,400.63
  4. Step 4: Simplify right side
    69,244.84x = 4,049,697,315.50
  5. Step 5: Solve for x
    x = 4,049,697,315.50/69,244.84
  6. Step 6: Final answer
    x = 58,483.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.