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Finding the Fourth Proportional to 109,776.29, 164,664.83 and 26,670.29

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Solution

The fourth proportional to 109,776.29, 164,664.83 and 26,670.29 is: 40,005.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,776.29 : 164,664.83 = 26,670.29 : x
  2. Step 2: Convert to fraction form
    109,776.29/164,664.83 = 26,670.29/x
  3. Step 3: Cross multiply
    109,776.29x = 164,664.83 × 26,670.29
  4. Step 4: Simplify right side
    109,776.29x = 4,391,657,812.23
  5. Step 5: Solve for x
    x = 4,391,657,812.23/109,776.29
  6. Step 6: Final answer
    x = 40,005.52

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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.