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Finding the Fourth Proportional to 114,693.60, 158,287.14 and 63,716.24

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Solution

The fourth proportional to 114,693.60, 158,287.14 and 63,716.24 is: 87,933.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,693.60 : 158,287.14 = 63,716.24 : x
  2. Step 2: Convert to fraction form
    114,693.60/158,287.14 = 63,716.24/x
  3. Step 3: Cross multiply
    114,693.60x = 158,287.14 × 63,716.24
  4. Step 4: Simplify right side
    114,693.60x = 10,085,461,401.15
  5. Step 5: Solve for x
    x = 10,085,461,401.15/114,693.60
  6. Step 6: Final answer
    x = 87,933.95

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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.