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Finding the Fourth Proportional to 162,165.76, 243,261.60 and 57,008.32

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Solution

The fourth proportional to 162,165.76, 243,261.60 and 57,008.32 is: 85,517.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,165.76 : 243,261.60 = 57,008.32 : x
  2. Step 2: Convert to fraction form
    162,165.76/243,261.60 = 57,008.32/x
  3. Step 3: Cross multiply
    162,165.76x = 243,261.60 × 57,008.32
  4. Step 4: Simplify right side
    162,165.76x = 13,867,935,136.51
  5. Step 5: Solve for x
    x = 13,867,935,136.51/162,165.76
  6. Step 6: Final answer
    x = 85,517.04

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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.