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Finding the Fourth Proportional to 97,445.64, 134,500.98 and 55,029

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Solution

The fourth proportional to 97,445.64, 134,500.98 and 55,029 is: 75,954.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,445.64 : 134,500.98 = 55,029 : x
  2. Step 2: Convert to fraction form
    97,445.64/134,500.98 = 55,029/x
  3. Step 3: Cross multiply
    97,445.64x = 134,500.98 × 55,029
  4. Step 4: Simplify right side
    97,445.64x = 7,401,454,428.42
  5. Step 5: Solve for x
    x = 7,401,454,428.42/97,445.64
  6. Step 6: Final answer
    x = 75,954.70

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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.