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Finding the Fourth Proportional to 66,200.89, 99,300.45 and 16,281.41

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Solution

The fourth proportional to 66,200.89, 99,300.45 and 16,281.41 is: 24,421.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,200.89 : 99,300.45 = 16,281.41 : x
  2. Step 2: Convert to fraction form
    66,200.89/99,300.45 = 16,281.41/x
  3. Step 3: Cross multiply
    66,200.89x = 99,300.45 × 16,281.41
  4. Step 4: Simplify right side
    66,200.89x = 1,616,751,339.63
  5. Step 5: Solve for x
    x = 1,616,751,339.63/66,200.89
  6. Step 6: Final answer
    x = 24,421.90

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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.