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Finding the Fourth Proportional to 157,353.84, 236,312.64 and 151,011.54

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Solution

The fourth proportional to 157,353.84, 236,312.64 and 151,011.54 is: 226,787.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,353.84 : 236,312.64 = 151,011.54 : x
  2. Step 2: Convert to fraction form
    157,353.84/236,312.64 = 151,011.54/x
  3. Step 3: Cross multiply
    157,353.84x = 236,312.64 × 151,011.54
  4. Step 4: Simplify right side
    157,353.84x = 35,685,935,687.87
  5. Step 5: Solve for x
    x = 35,685,935,687.87/157,353.84
  6. Step 6: Final answer
    x = 226,787.83

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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.