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Finding the Fourth Proportional to 111,309.90, 153,607.32 and 60,324.09

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Solution

The fourth proportional to 111,309.90, 153,607.32 and 60,324.09 is: 83,247.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,309.90 : 153,607.32 = 60,324.09 : x
  2. Step 2: Convert to fraction form
    111,309.90/153,607.32 = 60,324.09/x
  3. Step 3: Cross multiply
    111,309.90x = 153,607.32 × 60,324.09
  4. Step 4: Simplify right side
    111,309.90x = 9,266,221,796.34
  5. Step 5: Solve for x
    x = 9,266,221,796.34/111,309.90
  6. Step 6: Final answer
    x = 83,247.06

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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.