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Finding the Fourth Proportional to 265,641.11, 366,582.44 and 144,782.36

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Solution

The fourth proportional to 265,641.11, 366,582.44 and 144,782.36 is: 199,798.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,641.11 : 366,582.44 = 144,782.36 : x
  2. Step 2: Convert to fraction form
    265,641.11/366,582.44 = 144,782.36/x
  3. Step 3: Cross multiply
    265,641.11x = 366,582.44 × 144,782.36
  4. Step 4: Simplify right side
    265,641.11x = 53,074,668,240.93
  5. Step 5: Solve for x
    x = 53,074,668,240.93/265,641.11
  6. Step 6: Final answer
    x = 199,798.40

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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.