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Finding the Fourth Proportional to 79,461, 119,206.08 and 37,908

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Solution

The fourth proportional to 79,461, 119,206.08 and 37,908 is: 56,868.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,461 : 119,206.08 = 37,908 : x
  2. Step 2: Convert to fraction form
    79,461/119,206.08 = 37,908/x
  3. Step 3: Cross multiply
    79,461x = 119,206.08 × 37,908
  4. Step 4: Simplify right side
    79,461x = 4,518,864,080.64
  5. Step 5: Solve for x
    x = 4,518,864,080.64/79,461
  6. Step 6: Final answer
    x = 56,868.96

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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.