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Finding the Fourth Proportional to 64,156.48, 96,269.28 and 26,742.40

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Solution

The fourth proportional to 64,156.48, 96,269.28 and 26,742.40 is: 40,128.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,156.48 : 96,269.28 = 26,742.40 : x
  2. Step 2: Convert to fraction form
    64,156.48/96,269.28 = 26,742.40/x
  3. Step 3: Cross multiply
    64,156.48x = 96,269.28 × 26,742.40
  4. Step 4: Simplify right side
    64,156.48x = 2,574,471,593.47
  5. Step 5: Solve for x
    x = 2,574,471,593.47/64,156.48
  6. Step 6: Final answer
    x = 40,128.01

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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.