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Finding the Fourth Proportional to 251,495.08, 377,210.42 and 82,973.70

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Solution

The fourth proportional to 251,495.08, 377,210.42 and 82,973.70 is: 124,449.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,495.08 : 377,210.42 = 82,973.70 : x
  2. Step 2: Convert to fraction form
    251,495.08/377,210.42 = 82,973.70/x
  3. Step 3: Cross multiply
    251,495.08x = 377,210.42 × 82,973.70
  4. Step 4: Simplify right side
    251,495.08x = 31,298,544,225.95
  5. Step 5: Solve for x
    x = 31,298,544,225.95/251,495.08
  6. Step 6: Final answer
    x = 124,449.93

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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.