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Finding the Fourth Proportional to 108,502.10, 162,621.72 and 46,041.38

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Solution

The fourth proportional to 108,502.10, 162,621.72 and 46,041.38 is: 69,006.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,502.10 : 162,621.72 = 46,041.38 : x
  2. Step 2: Convert to fraction form
    108,502.10/162,621.72 = 46,041.38/x
  3. Step 3: Cross multiply
    108,502.10x = 162,621.72 × 46,041.38
  4. Step 4: Simplify right side
    108,502.10x = 7,487,328,406.77
  5. Step 5: Solve for x
    x = 7,487,328,406.77/108,502.10
  6. Step 6: Final answer
    x = 69,006.30

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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.