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Finding the Fourth Proportional to 114,025.76, 157,355.79 and 63,724.76

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Solution

The fourth proportional to 114,025.76, 157,355.79 and 63,724.76 is: 87,940.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,025.76 : 157,355.79 = 63,724.76 : x
  2. Step 2: Convert to fraction form
    114,025.76/157,355.79 = 63,724.76/x
  3. Step 3: Cross multiply
    114,025.76x = 157,355.79 × 63,724.76
  4. Step 4: Simplify right side
    114,025.76x = 10,027,459,952.36
  5. Step 5: Solve for x
    x = 10,027,459,952.36/114,025.76
  6. Step 6: Final answer
    x = 87,940.30

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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.