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Finding the Fourth Proportional to 194,169.74, 291,254.34 and 61,061.66

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Solution

The fourth proportional to 194,169.74, 291,254.34 and 61,061.66 is: 91,592.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,169.74 : 291,254.34 = 61,061.66 : x
  2. Step 2: Convert to fraction form
    194,169.74/291,254.34 = 61,061.66/x
  3. Step 3: Cross multiply
    194,169.74x = 291,254.34 × 61,061.66
  4. Step 4: Simplify right side
    194,169.74x = 17,784,473,482.60
  5. Step 5: Solve for x
    x = 17,784,473,482.60/194,169.74
  6. Step 6: Final answer
    x = 91,592.41

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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.