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Finding the Fourth Proportional to 159,089.40, 238,634.10 and 151,313.40

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Solution

The fourth proportional to 159,089.40, 238,634.10 and 151,313.40 is: 226,970.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,089.40 : 238,634.10 = 151,313.40 : x
  2. Step 2: Convert to fraction form
    159,089.40/238,634.10 = 151,313.40/x
  3. Step 3: Cross multiply
    159,089.40x = 238,634.10 × 151,313.40
  4. Step 4: Simplify right side
    159,089.40x = 36,108,537,026.94
  5. Step 5: Solve for x
    x = 36,108,537,026.94/159,089.40
  6. Step 6: Final answer
    x = 226,970.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.