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Finding the Fourth Proportional to 159,779.52, 239,675.20 and 59,929.60

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Solution

The fourth proportional to 159,779.52, 239,675.20 and 59,929.60 is: 89,896.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,779.52 : 239,675.20 = 59,929.60 : x
  2. Step 2: Convert to fraction form
    159,779.52/239,675.20 = 59,929.60/x
  3. Step 3: Cross multiply
    159,779.52x = 239,675.20 × 59,929.60
  4. Step 4: Simplify right side
    159,779.52x = 14,363,638,865.92
  5. Step 5: Solve for x
    x = 14,363,638,865.92/159,779.52
  6. Step 6: Final answer
    x = 89,896.62

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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.