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Finding the Fourth Proportional to 161,648.60, 242,502.30 and 66,827.30

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Solution

The fourth proportional to 161,648.60, 242,502.30 and 66,827.30 is: 100,253.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,648.60 : 242,502.30 = 66,827.30 : x
  2. Step 2: Convert to fraction form
    161,648.60/242,502.30 = 66,827.30/x
  3. Step 3: Cross multiply
    161,648.60x = 242,502.30 × 66,827.30
  4. Step 4: Simplify right side
    161,648.60x = 16,205,772,740.28
  5. Step 5: Solve for x
    x = 16,205,772,740.28/161,648.60
  6. Step 6: Final answer
    x = 100,253.10

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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.