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Finding the Fourth Proportional to 134,462.40, 201,693.60 and 112,811.10

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Solution

The fourth proportional to 134,462.40, 201,693.60 and 112,811.10 is: 169,216.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,462.40 : 201,693.60 = 112,811.10 : x
  2. Step 2: Convert to fraction form
    134,462.40/201,693.60 = 112,811.10/x
  3. Step 3: Cross multiply
    134,462.40x = 201,693.60 × 112,811.10
  4. Step 4: Simplify right side
    134,462.40x = 22,753,276,878.96
  5. Step 5: Solve for x
    x = 22,753,276,878.96/134,462.40
  6. Step 6: Final answer
    x = 169,216.65

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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.