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Finding the Fourth Proportional to 69,943.76, 104,374.66 and 62,467.76

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Solution

The fourth proportional to 69,943.76, 104,374.66 and 62,467.76 is: 93,218.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,943.76 : 104,374.66 = 62,467.76 : x
  2. Step 2: Convert to fraction form
    69,943.76/104,374.66 = 62,467.76/x
  3. Step 3: Cross multiply
    69,943.76x = 104,374.66 × 62,467.76
  4. Step 4: Simplify right side
    69,943.76x = 6,520,051,210.96
  5. Step 5: Solve for x
    x = 6,520,051,210.96/69,943.76
  6. Step 6: Final answer
    x = 93,218.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.