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Finding the Fourth Proportional to 265,387.68, 366,268.50 and 152,208

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Solution

The fourth proportional to 265,387.68, 366,268.50 and 152,208 is: 210,066.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,387.68 : 366,268.50 = 152,208 : x
  2. Step 2: Convert to fraction form
    265,387.68/366,268.50 = 152,208/x
  3. Step 3: Cross multiply
    265,387.68x = 366,268.50 × 152,208
  4. Step 4: Simplify right side
    265,387.68x = 55,748,995,848
  5. Step 5: Solve for x
    x = 55,748,995,848/265,387.68
  6. Step 6: Final answer
    x = 210,066.25

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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.