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Finding the Fourth Proportional to 141,864.84, 212,830.38 and 48,370.68

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Solution

The fourth proportional to 141,864.84, 212,830.38 and 48,370.68 is: 72,567.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,864.84 : 212,830.38 = 48,370.68 : x
  2. Step 2: Convert to fraction form
    141,864.84/212,830.38 = 48,370.68/x
  3. Step 3: Cross multiply
    141,864.84x = 212,830.38 × 48,370.68
  4. Step 4: Simplify right side
    141,864.84x = 10,294,750,205.26
  5. Step 5: Solve for x
    x = 10,294,750,205.26/141,864.84
  6. Step 6: Final answer
    x = 72,567.31

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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.