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Finding the Fourth Proportional to 64,801.01, 97,142.29 and 54,869.70

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Solution

The fourth proportional to 64,801.01, 97,142.29 and 54,869.70 is: 82,254.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,801.01 : 97,142.29 = 54,869.70 : x
  2. Step 2: Convert to fraction form
    64,801.01/97,142.29 = 54,869.70/x
  3. Step 3: Cross multiply
    64,801.01x = 97,142.29 × 54,869.70
  4. Step 4: Simplify right side
    64,801.01x = 5,330,168,536.72
  5. Step 5: Solve for x
    x = 5,330,168,536.72/64,801.01
  6. Step 6: Final answer
    x = 82,254.40

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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.