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Finding the Fourth Proportional to 109,802.70, 164,704.05 and 109,025.10

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Solution

The fourth proportional to 109,802.70, 164,704.05 and 109,025.10 is: 163,537.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,802.70 : 164,704.05 = 109,025.10 : x
  2. Step 2: Convert to fraction form
    109,802.70/164,704.05 = 109,025.10/x
  3. Step 3: Cross multiply
    109,802.70x = 164,704.05 × 109,025.10
  4. Step 4: Simplify right side
    109,802.70x = 17,956,875,521.66
  5. Step 5: Solve for x
    x = 17,956,875,521.66/109,802.70
  6. Step 6: Final answer
    x = 163,537.65

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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.