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Finding the Fourth Proportional to 268,439.88, 370,437.58 and 147,580.29

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Solution

The fourth proportional to 268,439.88, 370,437.58 and 147,580.29 is: 203,655.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,439.88 : 370,437.58 = 147,580.29 : x
  2. Step 2: Convert to fraction form
    268,439.88/370,437.58 = 147,580.29/x
  3. Step 3: Cross multiply
    268,439.88x = 370,437.58 × 147,580.29
  4. Step 4: Simplify right side
    268,439.88x = 54,669,285,483.30
  5. Step 5: Solve for x
    x = 54,669,285,483.30/268,439.88
  6. Step 6: Final answer
    x = 203,655.60

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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.