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Finding the Fourth Proportional to 100,803.28, 151,161.08 and 37,598.98

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Solution

The fourth proportional to 100,803.28, 151,161.08 and 37,598.98 is: 56,382.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,803.28 : 151,161.08 = 37,598.98 : x
  2. Step 2: Convert to fraction form
    100,803.28/151,161.08 = 37,598.98/x
  3. Step 3: Cross multiply
    100,803.28x = 151,161.08 × 37,598.98
  4. Step 4: Simplify right side
    100,803.28x = 5,683,502,423.70
  5. Step 5: Solve for x
    x = 5,683,502,423.70/100,803.28
  6. Step 6: Final answer
    x = 56,382.12

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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.