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Finding the Fourth Proportional to 111,195.44, 153,449.81 and 63,464.16

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Solution

The fourth proportional to 111,195.44, 153,449.81 and 63,464.16 is: 87,580.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,195.44 : 153,449.81 = 63,464.16 : x
  2. Step 2: Convert to fraction form
    111,195.44/153,449.81 = 63,464.16/x
  3. Step 3: Cross multiply
    111,195.44x = 153,449.81 × 63,464.16
  4. Step 4: Simplify right side
    111,195.44x = 9,738,563,293.81
  5. Step 5: Solve for x
    x = 9,738,563,293.81/111,195.44
  6. Step 6: Final answer
    x = 87,580.60

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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.