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Finding the Fourth Proportional to 161,035.60, 241,553.40 and 143,320.90

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Solution

The fourth proportional to 161,035.60, 241,553.40 and 143,320.90 is: 214,981.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,035.60 : 241,553.40 = 143,320.90 : x
  2. Step 2: Convert to fraction form
    161,035.60/241,553.40 = 143,320.90/x
  3. Step 3: Cross multiply
    161,035.60x = 241,553.40 × 143,320.90
  4. Step 4: Simplify right side
    161,035.60x = 34,619,650,686.06
  5. Step 5: Solve for x
    x = 34,619,650,686.06/161,035.60
  6. Step 6: Final answer
    x = 214,981.35

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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.