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Finding the Fourth Proportional to 79,588.86, 119,374.18 and 29,670.60

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Solution

The fourth proportional to 79,588.86, 119,374.18 and 29,670.60 is: 44,502.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,588.86 : 119,374.18 = 29,670.60 : x
  2. Step 2: Convert to fraction form
    79,588.86/119,374.18 = 29,670.60/x
  3. Step 3: Cross multiply
    79,588.86x = 119,374.18 × 29,670.60
  4. Step 4: Simplify right side
    79,588.86x = 3,541,903,545.11
  5. Step 5: Solve for x
    x = 3,541,903,545.11/79,588.86
  6. Step 6: Final answer
    x = 44,502.50

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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.