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Finding the Fourth Proportional to 161,201.70, 241,802.55 and 154,376.10

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Solution

The fourth proportional to 161,201.70, 241,802.55 and 154,376.10 is: 231,564.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,201.70 : 241,802.55 = 154,376.10 : x
  2. Step 2: Convert to fraction form
    161,201.70/241,802.55 = 154,376.10/x
  3. Step 3: Cross multiply
    161,201.70x = 241,802.55 × 154,376.10
  4. Step 4: Simplify right side
    161,201.70x = 37,328,534,639.06
  5. Step 5: Solve for x
    x = 37,328,534,639.06/161,201.70
  6. Step 6: Final answer
    x = 231,564.15

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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.