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Finding the Fourth Proportional to 265,249, 366,043.62 and 152,109.16

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Solution

The fourth proportional to 265,249, 366,043.62 and 152,109.16 is: 209,910.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,249 : 366,043.62 = 152,109.16 : x
  2. Step 2: Convert to fraction form
    265,249/366,043.62 = 152,109.16/x
  3. Step 3: Cross multiply
    265,249x = 366,043.62 × 152,109.16
  4. Step 4: Simplify right side
    265,249x = 55,678,587,561.56
  5. Step 5: Solve for x
    x = 55,678,587,561.56/265,249
  6. Step 6: Final answer
    x = 209,910.64

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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.