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Finding the Fourth Proportional to 70,442.98, 97,133.25 and 44,908.90

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Solution

The fourth proportional to 70,442.98, 97,133.25 and 44,908.90 is: 61,924.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,442.98 : 97,133.25 = 44,908.90 : x
  2. Step 2: Convert to fraction form
    70,442.98/97,133.25 = 44,908.90/x
  3. Step 3: Cross multiply
    70,442.98x = 97,133.25 × 44,908.90
  4. Step 4: Simplify right side
    70,442.98x = 4,362,147,410.93
  5. Step 5: Solve for x
    x = 4,362,147,410.93/70,442.98
  6. Step 6: Final answer
    x = 61,924.52

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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.