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Finding the Fourth Proportional to 73,442.16, 110,170.40 and 23,509.68

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Solution

The fourth proportional to 73,442.16, 110,170.40 and 23,509.68 is: 35,266.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,442.16 : 110,170.40 = 23,509.68 : x
  2. Step 2: Convert to fraction form
    73,442.16/110,170.40 = 23,509.68/x
  3. Step 3: Cross multiply
    73,442.16x = 110,170.40 × 23,509.68
  4. Step 4: Simplify right side
    73,442.16x = 2,590,070,849.47
  5. Step 5: Solve for x
    x = 2,590,070,849.47/73,442.16
  6. Step 6: Final answer
    x = 35,266.81

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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.