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Finding the Fourth Proportional to 272,670.60, 376,188.03 and 157,886.58

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Solution

The fourth proportional to 272,670.60, 376,188.03 and 157,886.58 is: 217,827.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,670.60 : 376,188.03 = 157,886.58 : x
  2. Step 2: Convert to fraction form
    272,670.60/376,188.03 = 157,886.58/x
  3. Step 3: Cross multiply
    272,670.60x = 376,188.03 × 157,886.58
  4. Step 4: Simplify right side
    272,670.60x = 59,395,041,493.64
  5. Step 5: Solve for x
    x = 59,395,041,493.64/272,670.60
  6. Step 6: Final answer
    x = 217,827.08

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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.