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Finding the Fourth Proportional to 114,688.77, 158,265.12 and 63,704.79

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Solution

The fourth proportional to 114,688.77, 158,265.12 and 63,704.79 is: 87,909.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,688.77 : 158,265.12 = 63,704.79 : x
  2. Step 2: Convert to fraction form
    114,688.77/158,265.12 = 63,704.79/x
  3. Step 3: Cross multiply
    114,688.77x = 158,265.12 × 63,704.79
  4. Step 4: Simplify right side
    114,688.77x = 10,082,246,233.92
  5. Step 5: Solve for x
    x = 10,082,246,233.92/114,688.77
  6. Step 6: Final answer
    x = 87,909.62

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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.