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Finding the Fourth Proportional to 162,617.66, 243,918.96 and 42,671.64

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Solution

The fourth proportional to 162,617.66, 243,918.96 and 42,671.64 is: 64,005.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,617.66 : 243,918.96 = 42,671.64 : x
  2. Step 2: Convert to fraction form
    162,617.66/243,918.96 = 42,671.64/x
  3. Step 3: Cross multiply
    162,617.66x = 243,918.96 × 42,671.64
  4. Step 4: Simplify right side
    162,617.66x = 10,408,422,050.29
  5. Step 5: Solve for x
    x = 10,408,422,050.29/162,617.66
  6. Step 6: Final answer
    x = 64,005.49

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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.