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Finding the Fourth Proportional to 161,322.48, 241,765.76 and 61,428.18

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Solution

The fourth proportional to 161,322.48, 241,765.76 and 61,428.18 is: 92,059.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,322.48 : 241,765.76 = 61,428.18 : x
  2. Step 2: Convert to fraction form
    161,322.48/241,765.76 = 61,428.18/x
  3. Step 3: Cross multiply
    161,322.48x = 241,765.76 × 61,428.18
  4. Step 4: Simplify right side
    161,322.48x = 14,851,230,623.12
  5. Step 5: Solve for x
    x = 14,851,230,623.12/161,322.48
  6. Step 6: Final answer
    x = 92,059.28

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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.