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Finding the Fourth Proportional to 335,292.70, 502,829.70 and 124,903.30

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Solution

The fourth proportional to 335,292.70, 502,829.70 and 124,903.30 is: 187,314.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,292.70 : 502,829.70 = 124,903.30 : x
  2. Step 2: Convert to fraction form
    335,292.70/502,829.70 = 124,903.30/x
  3. Step 3: Cross multiply
    335,292.70x = 502,829.70 × 124,903.30
  4. Step 4: Simplify right side
    335,292.70x = 62,805,088,868.01
  5. Step 5: Solve for x
    x = 62,805,088,868.01/335,292.70
  6. Step 6: Final answer
    x = 187,314.21

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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.