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Finding the Fourth Proportional to 265,309.39, 366,117.40 and 144,447.91

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Solution

The fourth proportional to 265,309.39, 366,117.40 and 144,447.91 is: 199,332.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,309.39 : 366,117.40 = 144,447.91 : x
  2. Step 2: Convert to fraction form
    265,309.39/366,117.40 = 144,447.91/x
  3. Step 3: Cross multiply
    265,309.39x = 366,117.40 × 144,447.91
  4. Step 4: Simplify right side
    265,309.39x = 52,884,892,509.90
  5. Step 5: Solve for x
    x = 52,884,892,509.90/265,309.39
  6. Step 6: Final answer
    x = 199,332.91

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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.