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Finding the Fourth Proportional to 335,065.60, 502,540.80 and 124,595.20

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Solution

The fourth proportional to 335,065.60, 502,540.80 and 124,595.20 is: 186,871.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,065.60 : 502,540.80 = 124,595.20 : x
  2. Step 2: Convert to fraction form
    335,065.60/502,540.80 = 124,595.20/x
  3. Step 3: Cross multiply
    335,065.60x = 502,540.80 × 124,595.20
  4. Step 4: Simplify right side
    335,065.60x = 62,614,171,484.16
  5. Step 5: Solve for x
    x = 62,614,171,484.16/335,065.60
  6. Step 6: Final answer
    x = 186,871.38

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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.