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Finding the Fourth Proportional to 64,140.15, 96,169.47 and 56,258.49

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Solution

The fourth proportional to 64,140.15, 96,169.47 and 56,258.49 is: 84,352.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,140.15 : 96,169.47 = 56,258.49 : x
  2. Step 2: Convert to fraction form
    64,140.15/96,169.47 = 56,258.49/x
  3. Step 3: Cross multiply
    64,140.15x = 96,169.47 × 56,258.49
  4. Step 4: Simplify right side
    64,140.15x = 5,410,349,737.91
  5. Step 5: Solve for x
    x = 5,410,349,737.91/64,140.15
  6. Step 6: Final answer
    x = 84,352.00

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.