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Finding the Fourth Proportional to 101,558.02, 152,223.57 and 89,740.02

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Solution

The fourth proportional to 101,558.02, 152,223.57 and 89,740.02 is: 134,509.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,558.02 : 152,223.57 = 89,740.02 : x
  2. Step 2: Convert to fraction form
    101,558.02/152,223.57 = 89,740.02/x
  3. Step 3: Cross multiply
    101,558.02x = 152,223.57 × 89,740.02
  4. Step 4: Simplify right side
    101,558.02x = 13,660,545,930.85
  5. Step 5: Solve for x
    x = 13,660,545,930.85/101,558.02
  6. Step 6: Final answer
    x = 134,509.77

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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.