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Finding the Fourth Proportional to 64,073.90, 96,107.04 and 19,700.35

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Solution

The fourth proportional to 64,073.90, 96,107.04 and 19,700.35 is: 29,549.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,073.90 : 96,107.04 = 19,700.35 : x
  2. Step 2: Convert to fraction form
    64,073.90/96,107.04 = 19,700.35/x
  3. Step 3: Cross multiply
    64,073.90x = 96,107.04 × 19,700.35
  4. Step 4: Simplify right side
    64,073.90x = 1,893,342,085.20
  5. Step 5: Solve for x
    x = 1,893,342,085.20/64,073.90
  6. Step 6: Final answer
    x = 29,549.35

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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.