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Finding the Fourth Proportional to 94,874.89, 130,922.22 and 52,430.68

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Solution

The fourth proportional to 94,874.89, 130,922.22 and 52,430.68 is: 72,351.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,874.89 : 130,922.22 = 52,430.68 : x
  2. Step 2: Convert to fraction form
    94,874.89/130,922.22 = 52,430.68/x
  3. Step 3: Cross multiply
    94,874.89x = 130,922.22 × 52,430.68
  4. Step 4: Simplify right side
    94,874.89x = 6,864,341,021.71
  5. Step 5: Solve for x
    x = 6,864,341,021.71/94,874.89
  6. Step 6: Final answer
    x = 72,351.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.