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Finding the Fourth Proportional to 76,295.55, 114,419.95 and 52,754.38

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Solution

The fourth proportional to 76,295.55, 114,419.95 and 52,754.38 is: 79,115.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,295.55 : 114,419.95 = 52,754.38 : x
  2. Step 2: Convert to fraction form
    76,295.55/114,419.95 = 52,754.38/x
  3. Step 3: Cross multiply
    76,295.55x = 114,419.95 × 52,754.38
  4. Step 4: Simplify right side
    76,295.55x = 6,036,153,103.95
  5. Step 5: Solve for x
    x = 6,036,153,103.95/76,295.55
  6. Step 6: Final answer
    x = 79,115.40

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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.