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Finding the Fourth Proportional to 134,027.60, 200,868.60 and 102,707.60

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Solution

The fourth proportional to 134,027.60, 200,868.60 and 102,707.60 is: 153,928.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,027.60 : 200,868.60 = 102,707.60 : x
  2. Step 2: Convert to fraction form
    134,027.60/200,868.60 = 102,707.60/x
  3. Step 3: Cross multiply
    134,027.60x = 200,868.60 × 102,707.60
  4. Step 4: Simplify right side
    134,027.60x = 20,630,731,821.36
  5. Step 5: Solve for x
    x = 20,630,731,821.36/134,027.60
  6. Step 6: Final answer
    x = 153,928.98

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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.