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Finding the Fourth Proportional to 82,960.76, 114,487.64 and 45,235.28

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Solution

The fourth proportional to 82,960.76, 114,487.64 and 45,235.28 is: 62,425.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,960.76 : 114,487.64 = 45,235.28 : x
  2. Step 2: Convert to fraction form
    82,960.76/114,487.64 = 45,235.28/x
  3. Step 3: Cross multiply
    82,960.76x = 114,487.64 × 45,235.28
  4. Step 4: Simplify right side
    82,960.76x = 5,178,880,451.94
  5. Step 5: Solve for x
    x = 5,178,880,451.94/82,960.76
  6. Step 6: Final answer
    x = 62,425.66

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1.5x scale

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.