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Finding the Fourth Proportional to 335,079.60, 502,561.80 and 124,609.20

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Solution

The fourth proportional to 335,079.60, 502,561.80 and 124,609.20 is: 186,892.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,079.60 : 502,561.80 = 124,609.20 : x
  2. Step 2: Convert to fraction form
    335,079.60/502,561.80 = 124,609.20/x
  3. Step 3: Cross multiply
    335,079.60x = 502,561.80 × 124,609.20
  4. Step 4: Simplify right side
    335,079.60x = 62,623,823,848.56
  5. Step 5: Solve for x
    x = 62,623,823,848.56/335,079.60
  6. Step 6: Final answer
    x = 186,892.38

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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.