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Finding the Fourth Proportional to 97,563.28, 134,636.88 and 52,851.28

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Solution

The fourth proportional to 97,563.28, 134,636.88 and 52,851.28 is: 72,934.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,563.28 : 134,636.88 = 52,851.28 : x
  2. Step 2: Convert to fraction form
    97,563.28/134,636.88 = 52,851.28/x
  3. Step 3: Cross multiply
    97,563.28x = 134,636.88 × 52,851.28
  4. Step 4: Simplify right side
    97,563.28x = 7,115,731,443.21
  5. Step 5: Solve for x
    x = 7,115,731,443.21/97,563.28
  6. Step 6: Final answer
    x = 72,934.52

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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.