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Finding the Fourth Proportional to 202,411.60, 279,352.62 and 117,528.68

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Solution

The fourth proportional to 202,411.60, 279,352.62 and 117,528.68 is: 162,203.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,411.60 : 279,352.62 = 117,528.68 : x
  2. Step 2: Convert to fraction form
    202,411.60/279,352.62 = 117,528.68/x
  3. Step 3: Cross multiply
    202,411.60x = 279,352.62 × 117,528.68
  4. Step 4: Simplify right side
    202,411.60x = 32,831,944,683.14
  5. Step 5: Solve for x
    x = 32,831,944,683.14/202,411.60
  6. Step 6: Final answer
    x = 162,203.87

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.