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Finding the Fourth Proportional to 335,875.40, 503,375.70 and 136,032.20

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Solution

The fourth proportional to 335,875.40, 503,375.70 and 136,032.20 is: 203,871.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,875.40 : 503,375.70 = 136,032.20 : x
  2. Step 2: Convert to fraction form
    335,875.40/503,375.70 = 136,032.20/x
  3. Step 3: Cross multiply
    335,875.40x = 503,375.70 × 136,032.20
  4. Step 4: Simplify right side
    335,875.40x = 68,475,303,897.54
  5. Step 5: Solve for x
    x = 68,475,303,897.54/335,875.40
  6. Step 6: Final answer
    x = 203,871.15

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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.