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Finding the Fourth Proportional to 335,079.56, 502,488.12 and 124,602.68

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Solution

The fourth proportional to 335,079.56, 502,488.12 and 124,602.68 is: 186,855.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,079.56 : 502,488.12 = 124,602.68 : x
  2. Step 2: Convert to fraction form
    335,079.56/502,488.12 = 124,602.68/x
  3. Step 3: Cross multiply
    335,079.56x = 502,488.12 × 124,602.68
  4. Step 4: Simplify right side
    335,079.56x = 62,611,366,420.16
  5. Step 5: Solve for x
    x = 62,611,366,420.16/335,079.56
  6. Step 6: Final answer
    x = 186,855.22

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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.