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Finding the Fourth Proportional to 74,173.78, 110,599.03 and 65,931.22

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Solution

The fourth proportional to 74,173.78, 110,599.03 and 65,931.22 is: 98,308.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,173.78 : 110,599.03 = 65,931.22 : x
  2. Step 2: Convert to fraction form
    74,173.78/110,599.03 = 65,931.22/x
  3. Step 3: Cross multiply
    74,173.78x = 110,599.03 × 65,931.22
  4. Step 4: Simplify right side
    74,173.78x = 7,291,928,649.06
  5. Step 5: Solve for x
    x = 7,291,928,649.06/74,173.78
  6. Step 6: Final answer
    x = 98,308.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.