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Finding the Fourth Proportional to 164,281.71, 246,452.91 and 51,990.18

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Solution

The fourth proportional to 164,281.71, 246,452.91 and 51,990.18 is: 77,994.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,281.71 : 246,452.91 = 51,990.18 : x
  2. Step 2: Convert to fraction form
    164,281.71/246,452.91 = 51,990.18/x
  3. Step 3: Cross multiply
    164,281.71x = 246,452.91 × 51,990.18
  4. Step 4: Simplify right side
    164,281.71x = 12,813,131,152.42
  5. Step 5: Solve for x
    x = 12,813,131,152.42/164,281.71
  6. Step 6: Final answer
    x = 77,994.87

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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.