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Finding the Fourth Proportional to 115,657.80, 173,627.10 and 73,537.80

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Solution

The fourth proportional to 115,657.80, 173,627.10 and 73,537.80 is: 110,395.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,657.80 : 173,627.10 = 73,537.80 : x
  2. Step 2: Convert to fraction form
    115,657.80/173,627.10 = 73,537.80/x
  3. Step 3: Cross multiply
    115,657.80x = 173,627.10 × 73,537.80
  4. Step 4: Simplify right side
    115,657.80x = 12,768,154,954.38
  5. Step 5: Solve for x
    x = 12,768,154,954.38/115,657.80
  6. Step 6: Final answer
    x = 110,395.97

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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.