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Finding the Fourth Proportional to 173,916.60, 260,486.10 and 134,345.40

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Solution

The fourth proportional to 173,916.60, 260,486.10 and 134,345.40 is: 201,217.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,916.60 : 260,486.10 = 134,345.40 : x
  2. Step 2: Convert to fraction form
    173,916.60/260,486.10 = 134,345.40/x
  3. Step 3: Cross multiply
    173,916.60x = 260,486.10 × 134,345.40
  4. Step 4: Simplify right side
    173,916.60x = 34,995,109,298.94
  5. Step 5: Solve for x
    x = 34,995,109,298.94/173,916.60
  6. Step 6: Final answer
    x = 201,217.76

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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.