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Finding the Fourth Proportional to 94,381.80, 141,572.70 and 52,823.40

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Solution

The fourth proportional to 94,381.80, 141,572.70 and 52,823.40 is: 79,235.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,381.80 : 141,572.70 = 52,823.40 : x
  2. Step 2: Convert to fraction form
    94,381.80/141,572.70 = 52,823.40/x
  3. Step 3: Cross multiply
    94,381.80x = 141,572.70 × 52,823.40
  4. Step 4: Simplify right side
    94,381.80x = 7,478,351,361.18
  5. Step 5: Solve for x
    x = 7,478,351,361.18/94,381.80
  6. Step 6: Final answer
    x = 79,235.10

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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.