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Finding the Fourth Proportional to 66,272.40, 99,408.60 and 59,014.80

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Solution

The fourth proportional to 66,272.40, 99,408.60 and 59,014.80 is: 88,522.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,272.40 : 99,408.60 = 59,014.80 : x
  2. Step 2: Convert to fraction form
    66,272.40/99,408.60 = 59,014.80/x
  3. Step 3: Cross multiply
    66,272.40x = 99,408.60 × 59,014.80
  4. Step 4: Simplify right side
    66,272.40x = 5,866,578,647.28
  5. Step 5: Solve for x
    x = 5,866,578,647.28/66,272.40
  6. Step 6: Final answer
    x = 88,522.20

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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.