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Finding the Fourth Proportional to 116,641.68, 174,990.30 and 37,755.90

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Solution

The fourth proportional to 116,641.68, 174,990.30 and 37,755.90 is: 56,642.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,641.68 : 174,990.30 = 37,755.90 : x
  2. Step 2: Convert to fraction form
    116,641.68/174,990.30 = 37,755.90/x
  3. Step 3: Cross multiply
    116,641.68x = 174,990.30 × 37,755.90
  4. Step 4: Simplify right side
    116,641.68x = 6,606,916,267.77
  5. Step 5: Solve for x
    x = 6,606,916,267.77/116,641.68
  6. Step 6: Final answer
    x = 56,642.84

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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.