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Finding the Fourth Proportional to 108,895.46, 163,124.50 and 49,649.64

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Solution

The fourth proportional to 108,895.46, 163,124.50 and 49,649.64 is: 74,374.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,895.46 : 163,124.50 = 49,649.64 : x
  2. Step 2: Convert to fraction form
    108,895.46/163,124.50 = 49,649.64/x
  3. Step 3: Cross multiply
    108,895.46x = 163,124.50 × 49,649.64
  4. Step 4: Simplify right side
    108,895.46x = 8,099,072,700.18
  5. Step 5: Solve for x
    x = 8,099,072,700.18/108,895.46
  6. Step 6: Final answer
    x = 74,374.75

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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.