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Finding the Fourth Proportional to 537,199.13, 805,664.70 and 158,044.38

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Solution

The fourth proportional to 537,199.13, 805,664.70 and 158,044.38 is: 237,027.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,199.13 : 805,664.70 = 158,044.38 : x
  2. Step 2: Convert to fraction form
    537,199.13/805,664.70 = 158,044.38/x
  3. Step 3: Cross multiply
    537,199.13x = 805,664.70 × 158,044.38
  4. Step 4: Simplify right side
    537,199.13x = 127,330,777,999.39
  5. Step 5: Solve for x
    x = 127,330,777,999.39/537,199.13
  6. Step 6: Final answer
    x = 237,027.15

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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.