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Finding the Fourth Proportional to 100,937.01, 151,409.70 and 37,750.80

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Solution

The fourth proportional to 100,937.01, 151,409.70 and 37,750.80 is: 56,627.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,937.01 : 151,409.70 = 37,750.80 : x
  2. Step 2: Convert to fraction form
    100,937.01/151,409.70 = 37,750.80/x
  3. Step 3: Cross multiply
    100,937.01x = 151,409.70 × 37,750.80
  4. Step 4: Simplify right side
    100,937.01x = 5,715,837,302.76
  5. Step 5: Solve for x
    x = 5,715,837,302.76/100,937.01
  6. Step 6: Final answer
    x = 56,627.77

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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.