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Finding the Fourth Proportional to 66,030.19, 99,020.44 and 23,899.86

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Solution

The fourth proportional to 66,030.19, 99,020.44 and 23,899.86 is: 35,840.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,030.19 : 99,020.44 = 23,899.86 : x
  2. Step 2: Convert to fraction form
    66,030.19/99,020.44 = 23,899.86/x
  3. Step 3: Cross multiply
    66,030.19x = 99,020.44 × 23,899.86
  4. Step 4: Simplify right side
    66,030.19x = 2,366,574,653.14
  5. Step 5: Solve for x
    x = 2,366,574,653.14/66,030.19
  6. Step 6: Final answer
    x = 35,840.80

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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.