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Finding the Fourth Proportional to 153,885.30, 212,365.28 and 96,527.04

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Solution

The fourth proportional to 153,885.30, 212,365.28 and 96,527.04 is: 133,209.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,885.30 : 212,365.28 = 96,527.04 : x
  2. Step 2: Convert to fraction form
    153,885.30/212,365.28 = 96,527.04/x
  3. Step 3: Cross multiply
    153,885.30x = 212,365.28 × 96,527.04
  4. Step 4: Simplify right side
    153,885.30x = 20,498,991,877.17
  5. Step 5: Solve for x
    x = 20,498,991,877.17/153,885.30
  6. Step 6: Final answer
    x = 133,209.55

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.