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Finding the Fourth Proportional to 228,150.80, 342,041.40 and 95,130.80

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Solution

The fourth proportional to 228,150.80, 342,041.40 and 95,130.80 is: 142,619.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,150.80 : 342,041.40 = 95,130.80 : x
  2. Step 2: Convert to fraction form
    228,150.80/342,041.40 = 95,130.80/x
  3. Step 3: Cross multiply
    228,150.80x = 342,041.40 × 95,130.80
  4. Step 4: Simplify right side
    228,150.80x = 32,538,672,015.12
  5. Step 5: Solve for x
    x = 32,538,672,015.12/228,150.80
  6. Step 6: Final answer
    x = 142,619.14

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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.