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Finding the Fourth Proportional to 66,081.63, 99,121.59 and 16,162.14

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Solution

The fourth proportional to 66,081.63, 99,121.59 and 16,162.14 is: 24,243.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,081.63 : 99,121.59 = 16,162.14 : x
  2. Step 2: Convert to fraction form
    66,081.63/99,121.59 = 16,162.14/x
  3. Step 3: Cross multiply
    66,081.63x = 99,121.59 × 16,162.14
  4. Step 4: Simplify right side
    66,081.63x = 1,602,017,014.60
  5. Step 5: Solve for x
    x = 1,602,017,014.60/66,081.63
  6. Step 6: Final answer
    x = 24,243.00

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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.