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Finding the Fourth Proportional to 251,507.63, 377,298.96 and 83,045.75

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Solution

The fourth proportional to 251,507.63, 377,298.96 and 83,045.75 is: 124,581.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,507.63 : 377,298.96 = 83,045.75 : x
  2. Step 2: Convert to fraction form
    251,507.63/377,298.96 = 83,045.75/x
  3. Step 3: Cross multiply
    251,507.63x = 377,298.96 × 83,045.75
  4. Step 4: Simplify right side
    251,507.63x = 31,333,074,692.19
  5. Step 5: Solve for x
    x = 31,333,074,692.19/251,507.63
  6. Step 6: Final answer
    x = 124,581.01

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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.