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Finding the Fourth Proportional to 141,898.62, 212,847.93 and 48,405.18

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Solution

The fourth proportional to 141,898.62, 212,847.93 and 48,405.18 is: 72,607.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,898.62 : 212,847.93 = 48,405.18 : x
  2. Step 2: Convert to fraction form
    141,898.62/212,847.93 = 48,405.18/x
  3. Step 3: Cross multiply
    141,898.62x = 212,847.93 × 48,405.18
  4. Step 4: Simplify right side
    141,898.62x = 10,302,942,364.28
  5. Step 5: Solve for x
    x = 10,302,942,364.28/141,898.62
  6. Step 6: Final answer
    x = 72,607.77

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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.