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Finding the Fourth Proportional to 255,066.61, 351,994.86 and 146,168.79

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Solution

The fourth proportional to 255,066.61, 351,994.86 and 146,168.79 is: 201,714.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,066.61 : 351,994.86 = 146,168.79 : x
  2. Step 2: Convert to fraction form
    255,066.61/351,994.86 = 146,168.79/x
  3. Step 3: Cross multiply
    255,066.61x = 351,994.86 × 146,168.79
  4. Step 4: Simplify right side
    255,066.61x = 51,450,662,772.42
  5. Step 5: Solve for x
    x = 51,450,662,772.42/255,066.61
  6. Step 6: Final answer
    x = 201,714.61

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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.