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Finding the Fourth Proportional to 272,852.76, 376,548.15 and 151,994.01

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Solution

The fourth proportional to 272,852.76, 376,548.15 and 151,994.01 is: 209,758.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,852.76 : 376,548.15 = 151,994.01 : x
  2. Step 2: Convert to fraction form
    272,852.76/376,548.15 = 151,994.01/x
  3. Step 3: Cross multiply
    272,852.76x = 376,548.15 × 151,994.01
  4. Step 4: Simplify right side
    272,852.76x = 57,233,063,276.58
  5. Step 5: Solve for x
    x = 57,233,063,276.58/272,852.76
  6. Step 6: Final answer
    x = 209,758.05

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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.