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Finding the Fourth Proportional to 188,637.91, 260,243.52 and 106,948.95

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Solution

The fourth proportional to 188,637.91, 260,243.52 and 106,948.95 is: 147,546.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,637.91 : 260,243.52 = 106,948.95 : x
  2. Step 2: Convert to fraction form
    188,637.91/260,243.52 = 106,948.95/x
  3. Step 3: Cross multiply
    188,637.91x = 260,243.52 × 106,948.95
  4. Step 4: Simplify right side
    188,637.91x = 27,832,771,208.30
  5. Step 5: Solve for x
    x = 27,832,771,208.30/188,637.91
  6. Step 6: Final answer
    x = 147,546.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.