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Finding the Fourth Proportional to 76,216.65, 114,283.74 and 60,522.64

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Solution

The fourth proportional to 76,216.65, 114,283.74 and 60,522.64 is: 90,751.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,216.65 : 114,283.74 = 60,522.64 : x
  2. Step 2: Convert to fraction form
    76,216.65/114,283.74 = 60,522.64/x
  3. Step 3: Cross multiply
    76,216.65x = 114,283.74 × 60,522.64
  4. Step 4: Simplify right side
    76,216.65x = 6,916,753,727.31
  5. Step 5: Solve for x
    x = 6,916,753,727.31/76,216.65
  6. Step 6: Final answer
    x = 90,751.22

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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.