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Finding the Fourth Proportional to 270,902.48, 373,848.16 and 163,451.72

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Solution

The fourth proportional to 270,902.48, 373,848.16 and 163,451.72 is: 225,565.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,902.48 : 373,848.16 = 163,451.72 : x
  2. Step 2: Convert to fraction form
    270,902.48/373,848.16 = 163,451.72/x
  3. Step 3: Cross multiply
    270,902.48x = 373,848.16 × 163,451.72
  4. Step 4: Simplify right side
    270,902.48x = 61,106,124,770.84
  5. Step 5: Solve for x
    x = 61,106,124,770.84/270,902.48
  6. Step 6: Final answer
    x = 225,565.03

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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.