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Finding the Fourth Proportional to 147,437.33, 220,808.80 and 97,393.30

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Solution

The fourth proportional to 147,437.33, 220,808.80 and 97,393.30 is: 145,860.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,437.33 : 220,808.80 = 97,393.30 : x
  2. Step 2: Convert to fraction form
    147,437.33/220,808.80 = 97,393.30/x
  3. Step 3: Cross multiply
    147,437.33x = 220,808.80 × 97,393.30
  4. Step 4: Simplify right side
    147,437.33x = 21,505,297,270.76
  5. Step 5: Solve for x
    x = 21,505,297,270.76/147,437.33
  6. Step 6: Final answer
    x = 145,860.60

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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.