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Finding the Fourth Proportional to 343,848.83, 515,779.61 and 119,216.58

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Solution

The fourth proportional to 343,848.83, 515,779.61 and 119,216.58 is: 178,827.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,848.83 : 515,779.61 = 119,216.58 : x
  2. Step 2: Convert to fraction form
    343,848.83/515,779.61 = 119,216.58/x
  3. Step 3: Cross multiply
    343,848.83x = 515,779.61 × 119,216.58
  4. Step 4: Simplify right side
    343,848.83x = 61,489,480,541.85
  5. Step 5: Solve for x
    x = 61,489,480,541.85/343,848.83
  6. Step 6: Final answer
    x = 178,827.08

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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.