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Finding the Fourth Proportional to 97,696.88, 134,822.60 and 57,411.52

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Solution

The fourth proportional to 97,696.88, 134,822.60 and 57,411.52 is: 79,228.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,696.88 : 134,822.60 = 57,411.52 : x
  2. Step 2: Convert to fraction form
    97,696.88/134,822.60 = 57,411.52/x
  3. Step 3: Cross multiply
    97,696.88x = 134,822.60 × 57,411.52
  4. Step 4: Simplify right side
    97,696.88x = 7,740,370,396.35
  5. Step 5: Solve for x
    x = 7,740,370,396.35/97,696.88
  6. Step 6: Final answer
    x = 79,228.43

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1.5x scale

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.