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Finding the Fourth Proportional to 124,228.60, 185,954.10 and 97,790.20

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Solution

The fourth proportional to 124,228.60, 185,954.10 and 97,790.20 is: 146,379.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,228.60 : 185,954.10 = 97,790.20 : x
  2. Step 2: Convert to fraction form
    124,228.60/185,954.10 = 97,790.20/x
  3. Step 3: Cross multiply
    124,228.60x = 185,954.10 × 97,790.20
  4. Step 4: Simplify right side
    124,228.60x = 18,184,488,629.82
  5. Step 5: Solve for x
    x = 18,184,488,629.82/124,228.60
  6. Step 6: Final answer
    x = 146,379.24

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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.