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Finding the Fourth Proportional to 161,014.60, 241,752.30 and 91,030.60

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Solution

The fourth proportional to 161,014.60, 241,752.30 and 91,030.60 is: 136,676.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,014.60 : 241,752.30 = 91,030.60 : x
  2. Step 2: Convert to fraction form
    161,014.60/241,752.30 = 91,030.60/x
  3. Step 3: Cross multiply
    161,014.60x = 241,752.30 × 91,030.60
  4. Step 4: Simplify right side
    161,014.60x = 22,006,856,920.38
  5. Step 5: Solve for x
    x = 22,006,856,920.38/161,014.60
  6. Step 6: Final answer
    x = 136,676.16

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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.