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Finding the Fourth Proportional to 108,019.62, 162,045.63 and 37,886.58

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Solution

The fourth proportional to 108,019.62, 162,045.63 and 37,886.58 is: 56,835.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,019.62 : 162,045.63 = 37,886.58 : x
  2. Step 2: Convert to fraction form
    108,019.62/162,045.63 = 37,886.58/x
  3. Step 3: Cross multiply
    108,019.62x = 162,045.63 × 37,886.58
  4. Step 4: Simplify right side
    108,019.62x = 6,139,354,724.65
  5. Step 5: Solve for x
    x = 6,139,354,724.65/108,019.62
  6. Step 6: Final answer
    x = 56,835.55

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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.