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Finding the Fourth Proportional to 265,859.80, 366,885.06 and 144,998.80

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Solution

The fourth proportional to 265,859.80, 366,885.06 and 144,998.80 is: 200,097.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,859.80 : 366,885.06 = 144,998.80 : x
  2. Step 2: Convert to fraction form
    265,859.80/366,885.06 = 144,998.80/x
  3. Step 3: Cross multiply
    265,859.80x = 366,885.06 × 144,998.80
  4. Step 4: Simplify right side
    265,859.80x = 53,197,893,437.93
  5. Step 5: Solve for x
    x = 53,197,893,437.93/265,859.80
  6. Step 6: Final answer
    x = 200,097.55

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1.5x scale

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.