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Finding the Fourth Proportional to 247,699.20, 342,449.61 and 183,066.51

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Solution

The fourth proportional to 247,699.20, 342,449.61 and 183,066.51 is: 253,093.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,699.20 : 342,449.61 = 183,066.51 : x
  2. Step 2: Convert to fraction form
    247,699.20/342,449.61 = 183,066.51/x
  3. Step 3: Cross multiply
    247,699.20x = 342,449.61 × 183,066.51
  4. Step 4: Simplify right side
    247,699.20x = 62,691,054,953.56
  5. Step 5: Solve for x
    x = 62,691,054,953.56/247,699.20
  6. Step 6: Final answer
    x = 253,093.49

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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.