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Finding the Fourth Proportional to 110,903, 153,047.22 and 60,603.08

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Solution

The fourth proportional to 110,903, 153,047.22 and 60,603.08 is: 83,632.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,903 : 153,047.22 = 60,603.08 : x
  2. Step 2: Convert to fraction form
    110,903/153,047.22 = 60,603.08/x
  3. Step 3: Cross multiply
    110,903x = 153,047.22 × 60,603.08
  4. Step 4: Simplify right side
    110,903x = 9,275,132,917.44
  5. Step 5: Solve for x
    x = 9,275,132,917.44/110,903
  6. Step 6: Final answer
    x = 83,632.84

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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.