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Finding the Fourth Proportional to 159,030.08, 238,452.96 and 65,430.08

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Solution

The fourth proportional to 159,030.08, 238,452.96 and 65,430.08 is: 98,107.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,030.08 : 238,452.96 = 65,430.08 : x
  2. Step 2: Convert to fraction form
    159,030.08/238,452.96 = 65,430.08/x
  3. Step 3: Cross multiply
    159,030.08x = 238,452.96 × 65,430.08
  4. Step 4: Simplify right side
    159,030.08x = 15,601,996,249.04
  5. Step 5: Solve for x
    x = 15,601,996,249.04/159,030.08
  6. Step 6: Final answer
    x = 98,107.20

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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.