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Finding the Fourth Proportional to 110,937.09, 153,093.19 and 63,218.12

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Solution

The fourth proportional to 110,937.09, 153,093.19 and 63,218.12 is: 87,241.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,937.09 : 153,093.19 = 63,218.12 : x
  2. Step 2: Convert to fraction form
    110,937.09/153,093.19 = 63,218.12/x
  3. Step 3: Cross multiply
    110,937.09x = 153,093.19 × 63,218.12
  4. Step 4: Simplify right side
    110,937.09x = 9,678,263,712.77
  5. Step 5: Solve for x
    x = 9,678,263,712.77/110,937.09
  6. Step 6: Final answer
    x = 87,241.01

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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.