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Finding the Fourth Proportional to 272,170.42, 375,573.90 and 151,304.34

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Solution

The fourth proportional to 272,170.42, 375,573.90 and 151,304.34 is: 208,788.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,170.42 : 375,573.90 = 151,304.34 : x
  2. Step 2: Convert to fraction form
    272,170.42/375,573.90 = 151,304.34/x
  3. Step 3: Cross multiply
    272,170.42x = 375,573.90 × 151,304.34
  4. Step 4: Simplify right side
    272,170.42x = 56,825,961,060.73
  5. Step 5: Solve for x
    x = 56,825,961,060.73/272,170.42
  6. Step 6: Final answer
    x = 208,788.16

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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.