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Finding the Fourth Proportional to 220,403.52, 304,157.28 and 119,801.28

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Solution

The fourth proportional to 220,403.52, 304,157.28 and 119,801.28 is: 165,326.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,403.52 : 304,157.28 = 119,801.28 : x
  2. Step 2: Convert to fraction form
    220,403.52/304,157.28 = 119,801.28/x
  3. Step 3: Cross multiply
    220,403.52x = 304,157.28 × 119,801.28
  4. Step 4: Simplify right side
    220,403.52x = 36,438,431,465.32
  5. Step 5: Solve for x
    x = 36,438,431,465.32/220,403.52
  6. Step 6: Final answer
    x = 165,326.00

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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.