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Finding the Fourth Proportional to 79,848.30, 119,567.91 and 77,483.31

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Solution

The fourth proportional to 79,848.30, 119,567.91 and 77,483.31 is: 116,026.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,848.30 : 119,567.91 = 77,483.31 : x
  2. Step 2: Convert to fraction form
    79,848.30/119,567.91 = 77,483.31/x
  3. Step 3: Cross multiply
    79,848.30x = 119,567.91 × 77,483.31
  4. Step 4: Simplify right side
    79,848.30x = 9,264,517,436.58
  5. Step 5: Solve for x
    x = 9,264,517,436.58/79,848.30
  6. Step 6: Final answer
    x = 116,026.48

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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.