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Finding the Fourth Proportional to 141,762.52, 212,665.34 and 48,246.40

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Solution

The fourth proportional to 141,762.52, 212,665.34 and 48,246.40 is: 72,376.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,762.52 : 212,665.34 = 48,246.40 : x
  2. Step 2: Convert to fraction form
    141,762.52/212,665.34 = 48,246.40/x
  3. Step 3: Cross multiply
    141,762.52x = 212,665.34 × 48,246.40
  4. Step 4: Simplify right side
    141,762.52x = 10,260,337,059.78
  5. Step 5: Solve for x
    x = 10,260,337,059.78/141,762.52
  6. Step 6: Final answer
    x = 72,376.94

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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.