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Finding the Fourth Proportional to 239,211.90, 358,817.85 and 164,562.30

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Solution

The fourth proportional to 239,211.90, 358,817.85 and 164,562.30 is: 246,843.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,211.90 : 358,817.85 = 164,562.30 : x
  2. Step 2: Convert to fraction form
    239,211.90/358,817.85 = 164,562.30/x
  3. Step 3: Cross multiply
    239,211.90x = 358,817.85 × 164,562.30
  4. Step 4: Simplify right side
    239,211.90x = 59,047,890,677.06
  5. Step 5: Solve for x
    x = 59,047,890,677.06/239,211.90
  6. Step 6: Final answer
    x = 246,843.45

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1.5x scale

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.