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Finding the Fourth Proportional to 73,205.77, 109,807.90 and 37,677.05

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Solution

The fourth proportional to 73,205.77, 109,807.90 and 37,677.05 is: 56,515.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,205.77 : 109,807.90 = 37,677.05 : x
  2. Step 2: Convert to fraction form
    73,205.77/109,807.90 = 37,677.05/x
  3. Step 3: Cross multiply
    73,205.77x = 109,807.90 × 37,677.05
  4. Step 4: Simplify right side
    73,205.77x = 4,137,237,001.27
  5. Step 5: Solve for x
    x = 4,137,237,001.27/73,205.77
  6. Step 6: Final answer
    x = 56,515.18

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1.5x scale

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.