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Finding the Fourth Proportional to 108,574.18, 162,821.24 and 37,478.74

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Solution

The fourth proportional to 108,574.18, 162,821.24 and 37,478.74 is: 56,204.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,574.18 : 162,821.24 = 37,478.74 : x
  2. Step 2: Convert to fraction form
    108,574.18/162,821.24 = 37,478.74/x
  3. Step 3: Cross multiply
    108,574.18x = 162,821.24 × 37,478.74
  4. Step 4: Simplify right side
    108,574.18x = 6,102,334,920.44
  5. Step 5: Solve for x
    x = 6,102,334,920.44/108,574.18
  6. Step 6: Final answer
    x = 56,204.29

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1.5x scale

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.