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Finding the Fourth Proportional to 157,230.45, 235,942.88 and 63,737.01

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Solution

The fourth proportional to 157,230.45, 235,942.88 and 63,737.01 is: 95,644.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,230.45 : 235,942.88 = 63,737.01 : x
  2. Step 2: Convert to fraction form
    157,230.45/235,942.88 = 63,737.01/x
  3. Step 3: Cross multiply
    157,230.45x = 235,942.88 × 63,737.01
  4. Step 4: Simplify right side
    157,230.45x = 15,038,293,383.30
  5. Step 5: Solve for x
    x = 15,038,293,383.30/157,230.45
  6. Step 6: Final answer
    x = 95,644.92

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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.