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Finding the Fourth Proportional to 70,805.00, 106,176.35 and 37,517.40

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Solution

The fourth proportional to 70,805.00, 106,176.35 and 37,517.40 is: 56,259.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,805.00 : 106,176.35 = 37,517.40 : x
  2. Step 2: Convert to fraction form
    70,805.00/106,176.35 = 37,517.40/x
  3. Step 3: Cross multiply
    70,805.00x = 106,176.35 × 37,517.40
  4. Step 4: Simplify right side
    70,805.00x = 3,983,460,031.19
  5. Step 5: Solve for x
    x = 3,983,460,031.19/70,805.00
  6. Step 6: Final answer
    x = 56,259.58

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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.