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Finding the Fourth Proportional to 161,026.80, 241,386.60 and 125,468.40

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Solution

The fourth proportional to 161,026.80, 241,386.60 and 125,468.40 is: 188,082.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,026.80 : 241,386.60 = 125,468.40 : x
  2. Step 2: Convert to fraction form
    161,026.80/241,386.60 = 125,468.40/x
  3. Step 3: Cross multiply
    161,026.80x = 241,386.60 × 125,468.40
  4. Step 4: Simplify right side
    161,026.80x = 30,286,390,483.44
  5. Step 5: Solve for x
    x = 30,286,390,483.44/161,026.80
  6. Step 6: Final answer
    x = 188,082.92

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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.