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Finding the Fourth Proportional to 119,277.79, 178,945.98 and 59,334.55

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Solution

The fourth proportional to 119,277.79, 178,945.98 and 59,334.55 is: 89,016.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,277.79 : 178,945.98 = 59,334.55 : x
  2. Step 2: Convert to fraction form
    119,277.79/178,945.98 = 59,334.55/x
  3. Step 3: Cross multiply
    119,277.79x = 178,945.98 × 59,334.55
  4. Step 4: Simplify right side
    119,277.79x = 10,617,679,197.61
  5. Step 5: Solve for x
    x = 10,617,679,197.61/119,277.79
  6. Step 6: Final answer
    x = 89,016.40

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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.