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Finding the Fourth Proportional to 101,038.88, 139,464.24 and 58,607.84

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Solution

The fourth proportional to 101,038.88, 139,464.24 and 58,607.84 is: 80,896.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,038.88 : 139,464.24 = 58,607.84 : x
  2. Step 2: Convert to fraction form
    101,038.88/139,464.24 = 58,607.84/x
  3. Step 3: Cross multiply
    101,038.88x = 139,464.24 × 58,607.84
  4. Step 4: Simplify right side
    101,038.88x = 8,173,697,863.64
  5. Step 5: Solve for x
    x = 8,173,697,863.64/101,038.88
  6. Step 6: Final answer
    x = 80,896.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.