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Finding the Fourth Proportional to 66,019.60, 99,030.84 and 16,100.04

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Solution

The fourth proportional to 66,019.60, 99,030.84 and 16,100.04 is: 24,150.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,019.60 : 99,030.84 = 16,100.04 : x
  2. Step 2: Convert to fraction form
    66,019.60/99,030.84 = 16,100.04/x
  3. Step 3: Cross multiply
    66,019.60x = 99,030.84 × 16,100.04
  4. Step 4: Simplify right side
    66,019.60x = 1,594,400,485.23
  5. Step 5: Solve for x
    x = 1,594,400,485.23/66,019.60
  6. Step 6: Final answer
    x = 24,150.41

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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.