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Finding the Fourth Proportional to 117,482.00, 176,165.13 and 42,590.91

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Solution

The fourth proportional to 117,482.00, 176,165.13 and 42,590.91 is: 63,865.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,482.00 : 176,165.13 = 42,590.91 : x
  2. Step 2: Convert to fraction form
    117,482.00/176,165.13 = 42,590.91/x
  3. Step 3: Cross multiply
    117,482.00x = 176,165.13 × 42,590.91
  4. Step 4: Simplify right side
    117,482.00x = 7,503,033,777.73
  5. Step 5: Solve for x
    x = 7,503,033,777.73/117,482.00
  6. Step 6: Final answer
    x = 63,865.39

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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.