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Finding the Fourth Proportional to 100,807.40, 151,205.02 and 44,631.08

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Solution

The fourth proportional to 100,807.40, 151,205.02 and 44,631.08 is: 66,943.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,807.40 : 151,205.02 = 44,631.08 : x
  2. Step 2: Convert to fraction form
    100,807.40/151,205.02 = 44,631.08/x
  3. Step 3: Cross multiply
    100,807.40x = 151,205.02 × 44,631.08
  4. Step 4: Simplify right side
    100,807.40x = 6,748,443,344.02
  5. Step 5: Solve for x
    x = 6,748,443,344.02/100,807.40
  6. Step 6: Final answer
    x = 66,943.93

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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.