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Finding the Fourth Proportional to 350,983.60, 525,870.60 and 163,610.80

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Solution

The fourth proportional to 350,983.60, 525,870.60 and 163,610.80 is: 245,134.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,983.60 : 525,870.60 = 163,610.80 : x
  2. Step 2: Convert to fraction form
    350,983.60/525,870.60 = 163,610.80/x
  3. Step 3: Cross multiply
    350,983.60x = 525,870.60 × 163,610.80
  4. Step 4: Simplify right side
    350,983.60x = 86,038,109,562.48
  5. Step 5: Solve for x
    x = 86,038,109,562.48/350,983.60
  6. Step 6: Final answer
    x = 245,134.27

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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.