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Finding the Fourth Proportional to 265,545.55, 366,448.23 and 144,687.82

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Solution

The fourth proportional to 265,545.55, 366,448.23 and 144,687.82 is: 199,666.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,545.55 : 366,448.23 = 144,687.82 : x
  2. Step 2: Convert to fraction form
    265,545.55/366,448.23 = 144,687.82/x
  3. Step 3: Cross multiply
    265,545.55x = 366,448.23 × 144,687.82
  4. Step 4: Simplify right side
    265,545.55x = 53,020,595,541.56
  5. Step 5: Solve for x
    x = 53,020,595,541.56/265,545.55
  6. Step 6: Final answer
    x = 199,666.67

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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.