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Finding the Fourth Proportional to 117,666.78, 176,522.04 and 38,786.58

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Solution

The fourth proportional to 117,666.78, 176,522.04 and 38,786.58 is: 58,187.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,666.78 : 176,522.04 = 38,786.58 : x
  2. Step 2: Convert to fraction form
    117,666.78/176,522.04 = 38,786.58/x
  3. Step 3: Cross multiply
    117,666.78x = 176,522.04 × 38,786.58
  4. Step 4: Simplify right side
    117,666.78x = 6,846,686,226.22
  5. Step 5: Solve for x
    x = 6,846,686,226.22/117,666.78
  6. Step 6: Final answer
    x = 58,187.08

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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.