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Finding the Fourth Proportional to 99,046.98, 148,594.50 and 56,953.98

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Solution

The fourth proportional to 99,046.98, 148,594.50 and 56,953.98 is: 85,444.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,046.98 : 148,594.50 = 56,953.98 : x
  2. Step 2: Convert to fraction form
    99,046.98/148,594.50 = 56,953.98/x
  3. Step 3: Cross multiply
    99,046.98x = 148,594.50 × 56,953.98
  4. Step 4: Simplify right side
    99,046.98x = 8,463,048,181.11
  5. Step 5: Solve for x
    x = 8,463,048,181.11/99,046.98
  6. Step 6: Final answer
    x = 85,444.79

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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.