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Finding the Fourth Proportional to 247,911.84, 342,001.48 and 179,779.35

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Solution

The fourth proportional to 247,911.84, 342,001.48 and 179,779.35 is: 248,010.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,911.84 : 342,001.48 = 179,779.35 : x
  2. Step 2: Convert to fraction form
    247,911.84/342,001.48 = 179,779.35/x
  3. Step 3: Cross multiply
    247,911.84x = 342,001.48 × 179,779.35
  4. Step 4: Simplify right side
    247,911.84x = 61,484,803,773.44
  5. Step 5: Solve for x
    x = 61,484,803,773.44/247,911.84
  6. Step 6: Final answer
    x = 248,010.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.