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Finding the Fourth Proportional to 220,165.98, 303,813.63 and 124,655.10

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Solution

The fourth proportional to 220,165.98, 303,813.63 and 124,655.10 is: 172,015.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,165.98 : 303,813.63 = 124,655.10 : x
  2. Step 2: Convert to fraction form
    220,165.98/303,813.63 = 124,655.10/x
  3. Step 3: Cross multiply
    220,165.98x = 303,813.63 × 124,655.10
  4. Step 4: Simplify right side
    220,165.98x = 37,871,918,429.01
  5. Step 5: Solve for x
    x = 37,871,918,429.01/220,165.98
  6. Step 6: Final answer
    x = 172,015.31

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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.