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Finding the Fourth Proportional to 194,373.53, 291,564.90 and 52,218.98

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Solution

The fourth proportional to 194,373.53, 291,564.90 and 52,218.98 is: 78,329.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,373.53 : 291,564.90 = 52,218.98 : x
  2. Step 2: Convert to fraction form
    194,373.53/291,564.90 = 52,218.98/x
  3. Step 3: Cross multiply
    194,373.53x = 291,564.90 × 52,218.98
  4. Step 4: Simplify right side
    194,373.53x = 15,225,220,223.98
  5. Step 5: Solve for x
    x = 15,225,220,223.98/194,373.53
  6. Step 6: Final answer
    x = 78,329.70

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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.