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Finding the Fourth Proportional to 109,880.20, 164,810.70 and 36,008.20

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Solution

The fourth proportional to 109,880.20, 164,810.70 and 36,008.20 is: 54,009.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,880.20 : 164,810.70 = 36,008.20 : x
  2. Step 2: Convert to fraction form
    109,880.20/164,810.70 = 36,008.20/x
  3. Step 3: Cross multiply
    109,880.20x = 164,810.70 × 36,008.20
  4. Step 4: Simplify right side
    109,880.20x = 5,934,536,647.74
  5. Step 5: Solve for x
    x = 5,934,536,647.74/109,880.20
  6. Step 6: Final answer
    x = 54,009.15

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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.