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Finding the Fourth Proportional to 64,159.80, 95,745.08 and 56,385.36

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Solution

The fourth proportional to 64,159.80, 95,745.08 and 56,385.36 is: 84,143.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,159.80 : 95,745.08 = 56,385.36 : x
  2. Step 2: Convert to fraction form
    64,159.80/95,745.08 = 56,385.36/x
  3. Step 3: Cross multiply
    64,159.80x = 95,745.08 × 56,385.36
  4. Step 4: Simplify right side
    64,159.80x = 5,398,620,804.03
  5. Step 5: Solve for x
    x = 5,398,620,804.03/64,159.80
  6. Step 6: Final answer
    x = 84,143.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.