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Finding the Fourth Proportional to 91,779.65, 137,669.47 and 32,617.65

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Solution

The fourth proportional to 91,779.65, 137,669.47 and 32,617.65 is: 48,926.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,779.65 : 137,669.47 = 32,617.65 : x
  2. Step 2: Convert to fraction form
    91,779.65/137,669.47 = 32,617.65/x
  3. Step 3: Cross multiply
    91,779.65x = 137,669.47 × 32,617.65
  4. Step 4: Simplify right side
    91,779.65x = 4,490,455,206.34
  5. Step 5: Solve for x
    x = 4,490,455,206.34/91,779.65
  6. Step 6: Final answer
    x = 48,926.48

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Similar ratio
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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.