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Finding the Fourth Proportional to 94,762.86, 130,761.54 and 56,524.50

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Solution

The fourth proportional to 94,762.86, 130,761.54 and 56,524.50 is: 77,997.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,762.86 : 130,761.54 = 56,524.50 : x
  2. Step 2: Convert to fraction form
    94,762.86/130,761.54 = 56,524.50/x
  3. Step 3: Cross multiply
    94,762.86x = 130,761.54 × 56,524.50
  4. Step 4: Simplify right side
    94,762.86x = 7,391,230,667.73
  5. Step 5: Solve for x
    x = 7,391,230,667.73/94,762.86
  6. Step 6: Final answer
    x = 77,997.13

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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.