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Finding the Fourth Proportional to 203,007.26, 304,615.88 and 147,306.60

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Solution

The fourth proportional to 203,007.26, 304,615.88 and 147,306.60 is: 221,036.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,007.26 : 304,615.88 = 147,306.60 : x
  2. Step 2: Convert to fraction form
    203,007.26/304,615.88 = 147,306.60/x
  3. Step 3: Cross multiply
    203,007.26x = 304,615.88 × 147,306.60
  4. Step 4: Simplify right side
    203,007.26x = 44,871,929,588.81
  5. Step 5: Solve for x
    x = 44,871,929,588.81/203,007.26
  6. Step 6: Final answer
    x = 221,036.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.