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Finding the Fourth Proportional to 220,106.10, 330,159.15 and 164,118.90

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Solution

The fourth proportional to 220,106.10, 330,159.15 and 164,118.90 is: 246,178.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,106.10 : 330,159.15 = 164,118.90 : x
  2. Step 2: Convert to fraction form
    220,106.10/330,159.15 = 164,118.90/x
  3. Step 3: Cross multiply
    220,106.10x = 330,159.15 × 164,118.90
  4. Step 4: Simplify right side
    220,106.10x = 54,185,356,522.94
  5. Step 5: Solve for x
    x = 54,185,356,522.94/220,106.10
  6. Step 6: Final answer
    x = 246,178.35

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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.