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Finding the Fourth Proportional to 110,485.32, 165,599.40 and 63,133.60

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Solution

The fourth proportional to 110,485.32, 165,599.40 and 63,133.60 is: 94,626.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,485.32 : 165,599.40 = 63,133.60 : x
  2. Step 2: Convert to fraction form
    110,485.32/165,599.40 = 63,133.60/x
  3. Step 3: Cross multiply
    110,485.32x = 165,599.40 × 63,133.60
  4. Step 4: Simplify right side
    110,485.32x = 10,454,886,279.84
  5. Step 5: Solve for x
    x = 10,454,886,279.84/110,485.32
  6. Step 6: Final answer
    x = 94,626.93

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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.