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Finding the Fourth Proportional to 235,770.72, 353,681.27 and 100,848.75

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Solution

The fourth proportional to 235,770.72, 353,681.27 and 100,848.75 is: 151,283.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,770.72 : 353,681.27 = 100,848.75 : x
  2. Step 2: Convert to fraction form
    235,770.72/353,681.27 = 100,848.75/x
  3. Step 3: Cross multiply
    235,770.72x = 353,681.27 × 100,848.75
  4. Step 4: Simplify right side
    235,770.72x = 35,668,314,515.00
  5. Step 5: Solve for x
    x = 35,668,314,515.00/235,770.72
  6. Step 6: Final answer
    x = 151,283.90

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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.