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Finding the Fourth Proportional to 610,551.14, 915,870.44 and 161,267.52

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Solution

The fourth proportional to 610,551.14, 915,870.44 and 161,267.52 is: 241,912.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,551.14 : 915,870.44 = 161,267.52 : x
  2. Step 2: Convert to fraction form
    610,551.14/915,870.44 = 161,267.52/x
  3. Step 3: Cross multiply
    610,551.14x = 915,870.44 × 161,267.52
  4. Step 4: Simplify right side
    610,551.14x = 147,700,153,693.77
  5. Step 5: Solve for x
    x = 147,700,153,693.77/610,551.14
  6. Step 6: Final answer
    x = 241,912.83

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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.