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Finding the Fourth Proportional to 228,388.55, 342,681.30 and 95,295.02

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Solution

The fourth proportional to 228,388.55, 342,681.30 and 95,295.02 is: 142,983.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,388.55 : 342,681.30 = 95,295.02 : x
  2. Step 2: Convert to fraction form
    228,388.55/342,681.30 = 95,295.02/x
  3. Step 3: Cross multiply
    228,388.55x = 342,681.30 × 95,295.02
  4. Step 4: Simplify right side
    228,388.55x = 32,655,819,623.72
  5. Step 5: Solve for x
    x = 32,655,819,623.72/228,388.55
  6. Step 6: Final answer
    x = 142,983.61

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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.