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Finding the Fourth Proportional to 66,904.74, 100,360.89 and 29,482.38

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Solution

The fourth proportional to 66,904.74, 100,360.89 and 29,482.38 is: 44,225.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,904.74 : 100,360.89 = 29,482.38 : x
  2. Step 2: Convert to fraction form
    66,904.74/100,360.89 = 29,482.38/x
  3. Step 3: Cross multiply
    66,904.74x = 100,360.89 × 29,482.38
  4. Step 4: Simplify right side
    66,904.74x = 2,958,877,896.12
  5. Step 5: Solve for x
    x = 2,958,877,896.12/66,904.74
  6. Step 6: Final answer
    x = 44,225.24

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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.