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Finding the Fourth Proportional to 265,806.03, 366,821.18 and 144,953.93

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Solution

The fourth proportional to 265,806.03, 366,821.18 and 144,953.93 is: 200,041.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,806.03 : 366,821.18 = 144,953.93 : x
  2. Step 2: Convert to fraction form
    265,806.03/366,821.18 = 144,953.93/x
  3. Step 3: Cross multiply
    265,806.03x = 366,821.18 × 144,953.93
  4. Step 4: Simplify right side
    265,806.03x = 53,172,171,648.24
  5. Step 5: Solve for x
    x = 53,172,171,648.24/265,806.03
  6. Step 6: Final answer
    x = 200,041.25

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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.