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Finding the Fourth Proportional to 70,699.35, 106,043.51 and 41,098.31

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Solution

The fourth proportional to 70,699.35, 106,043.51 and 41,098.31 is: 61,644.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,699.35 : 106,043.51 = 41,098.31 : x
  2. Step 2: Convert to fraction form
    70,699.35/106,043.51 = 41,098.31/x
  3. Step 3: Cross multiply
    70,699.35x = 106,043.51 × 41,098.31
  4. Step 4: Simplify right side
    70,699.35x = 4,358,208,620.00
  5. Step 5: Solve for x
    x = 4,358,208,620.00/70,699.35
  6. Step 6: Final answer
    x = 61,644.25

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1.5x scale

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.