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Finding the Fourth Proportional to 141,561, 212,374.33 and 48,066.75

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Solution

The fourth proportional to 141,561, 212,374.33 and 48,066.75 is: 72,111.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,561 : 212,374.33 = 48,066.75 : x
  2. Step 2: Convert to fraction form
    141,561/212,374.33 = 48,066.75/x
  3. Step 3: Cross multiply
    141,561x = 212,374.33 × 48,066.75
  4. Step 4: Simplify right side
    141,561x = 10,208,143,706.36
  5. Step 5: Solve for x
    x = 10,208,143,706.36/141,561
  6. Step 6: Final answer
    x = 72,111.27

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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.