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Finding the Fourth Proportional to 160,779.32, 241,165.32 and 42,458.96

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Solution

The fourth proportional to 160,779.32, 241,165.32 and 42,458.96 is: 63,687.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,779.32 : 241,165.32 = 42,458.96 : x
  2. Step 2: Convert to fraction form
    160,779.32/241,165.32 = 42,458.96/x
  3. Step 3: Cross multiply
    160,779.32x = 241,165.32 × 42,458.96
  4. Step 4: Simplify right side
    160,779.32x = 10,239,628,675.27
  5. Step 5: Solve for x
    x = 10,239,628,675.27/160,779.32
  6. Step 6: Final answer
    x = 63,687.47

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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.