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Finding the Fourth Proportional to 79,253.02, 118,892.90 and 26,650

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Solution

The fourth proportional to 79,253.02, 118,892.90 and 26,650 is: 39,979.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,253.02 : 118,892.90 = 26,650 : x
  2. Step 2: Convert to fraction form
    79,253.02/118,892.90 = 26,650/x
  3. Step 3: Cross multiply
    79,253.02x = 118,892.90 × 26,650
  4. Step 4: Simplify right side
    79,253.02x = 3,168,495,785
  5. Step 5: Solve for x
    x = 3,168,495,785/79,253.02
  6. Step 6: Final answer
    x = 39,979.50

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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.