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Finding the Fourth Proportional to 95,384.08, 142,978.92 and 42,779.44

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Solution

The fourth proportional to 95,384.08, 142,978.92 and 42,779.44 is: 64,125.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,384.08 : 142,978.92 = 42,779.44 : x
  2. Step 2: Convert to fraction form
    95,384.08/142,978.92 = 42,779.44/x
  3. Step 3: Cross multiply
    95,384.08x = 142,978.92 × 42,779.44
  4. Step 4: Simplify right side
    95,384.08x = 6,116,558,129.40
  5. Step 5: Solve for x
    x = 6,116,558,129.40/95,384.08
  6. Step 6: Final answer
    x = 64,125.57

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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.