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Finding the Fourth Proportional to 74,014.20, 110,802.60 and 65,266.20

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Solution

The fourth proportional to 74,014.20, 110,802.60 and 65,266.20 is: 97,706.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,014.20 : 110,802.60 = 65,266.20 : x
  2. Step 2: Convert to fraction form
    74,014.20/110,802.60 = 65,266.20/x
  3. Step 3: Cross multiply
    74,014.20x = 110,802.60 × 65,266.20
  4. Step 4: Simplify right side
    74,014.20x = 7,231,664,652.12
  5. Step 5: Solve for x
    x = 7,231,664,652.12/74,014.20
  6. Step 6: Final answer
    x = 97,706.45

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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.