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Finding the Fourth Proportional to 114,391.89, 171,545.72 and 39,492.81

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Solution

The fourth proportional to 114,391.89, 171,545.72 and 39,492.81 is: 59,224.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,391.89 : 171,545.72 = 39,492.81 : x
  2. Step 2: Convert to fraction form
    114,391.89/171,545.72 = 39,492.81/x
  3. Step 3: Cross multiply
    114,391.89x = 171,545.72 × 39,492.81
  4. Step 4: Simplify right side
    114,391.89x = 6,774,822,328.81
  5. Step 5: Solve for x
    x = 6,774,822,328.81/114,391.89
  6. Step 6: Final answer
    x = 59,224.67

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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.