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Finding the Fourth Proportional to 104,430.40, 156,645.60 and 60,034.30

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Solution

The fourth proportional to 104,430.40, 156,645.60 and 60,034.30 is: 90,051.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,430.40 : 156,645.60 = 60,034.30 : x
  2. Step 2: Convert to fraction form
    104,430.40/156,645.60 = 60,034.30/x
  3. Step 3: Cross multiply
    104,430.40x = 156,645.60 × 60,034.30
  4. Step 4: Simplify right side
    104,430.40x = 9,404,108,944.08
  5. Step 5: Solve for x
    x = 9,404,108,944.08/104,430.40
  6. Step 6: Final answer
    x = 90,051.45

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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.