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Finding the Fourth Proportional to 187,532.66, 258,731.01 and 106,902.06

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Solution

The fourth proportional to 187,532.66, 258,731.01 and 106,902.06 is: 147,488.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,532.66 : 258,731.01 = 106,902.06 : x
  2. Step 2: Convert to fraction form
    187,532.66/258,731.01 = 106,902.06/x
  3. Step 3: Cross multiply
    187,532.66x = 258,731.01 × 106,902.06
  4. Step 4: Simplify right side
    187,532.66x = 27,658,877,954.88
  5. Step 5: Solve for x
    x = 27,658,877,954.88/187,532.66
  6. Step 6: Final answer
    x = 147,488.33

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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.