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Finding the Fourth Proportional to 111,483.72, 153,803.73 and 63,711.44

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Solution

The fourth proportional to 111,483.72, 153,803.73 and 63,711.44 is: 87,896.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,483.72 : 153,803.73 = 63,711.44 : x
  2. Step 2: Convert to fraction form
    111,483.72/153,803.73 = 63,711.44/x
  3. Step 3: Cross multiply
    111,483.72x = 153,803.73 × 63,711.44
  4. Step 4: Simplify right side
    111,483.72x = 9,799,056,346.65
  5. Step 5: Solve for x
    x = 9,799,056,346.65/111,483.72
  6. Step 6: Final answer
    x = 87,896.75

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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.