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Finding the Fourth Proportional to 114,762.62, 158,362.32 and 63,772.11

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Solution

The fourth proportional to 114,762.62, 158,362.32 and 63,772.11 is: 87,999.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,762.62 : 158,362.32 = 63,772.11 : x
  2. Step 2: Convert to fraction form
    114,762.62/158,362.32 = 63,772.11/x
  3. Step 3: Cross multiply
    114,762.62x = 158,362.32 × 63,772.11
  4. Step 4: Simplify right side
    114,762.62x = 10,099,098,499.08
  5. Step 5: Solve for x
    x = 10,099,098,499.08/114,762.62
  6. Step 6: Final answer
    x = 87,999.90

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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.