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Finding the Fourth Proportional to 265,223.21, 366,017.69 and 144,358.66

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Solution

The fourth proportional to 265,223.21, 366,017.69 and 144,358.66 is: 199,220.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,223.21 : 366,017.69 = 144,358.66 : x
  2. Step 2: Convert to fraction form
    265,223.21/366,017.69 = 144,358.66/x
  3. Step 3: Cross multiply
    265,223.21x = 366,017.69 × 144,358.66
  4. Step 4: Simplify right side
    265,223.21x = 52,837,822,710.55
  5. Step 5: Solve for x
    x = 52,837,822,710.55/265,223.21
  6. Step 6: Final answer
    x = 199,220.20

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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.