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Finding the Fourth Proportional to 212,410.64, 293,126.78 and 116,916.66

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Solution

The fourth proportional to 212,410.64, 293,126.78 and 116,916.66 is: 161,345.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,410.64 : 293,126.78 = 116,916.66 : x
  2. Step 2: Convert to fraction form
    212,410.64/293,126.78 = 116,916.66/x
  3. Step 3: Cross multiply
    212,410.64x = 293,126.78 × 116,916.66
  4. Step 4: Simplify right side
    212,410.64x = 34,271,403,489.57
  5. Step 5: Solve for x
    x = 34,271,403,489.57/212,410.64
  6. Step 6: Final answer
    x = 161,345.04

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Why These Related Problems?

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