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Finding the Fourth Proportional to 104,055.60, 143,599.60 and 63,205.92

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Solution

The fourth proportional to 104,055.60, 143,599.60 and 63,205.92 is: 87,225.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,055.60 : 143,599.60 = 63,205.92 : x
  2. Step 2: Convert to fraction form
    104,055.60/143,599.60 = 63,205.92/x
  3. Step 3: Cross multiply
    104,055.60x = 143,599.60 × 63,205.92
  4. Step 4: Simplify right side
    104,055.60x = 9,076,344,908.64
  5. Step 5: Solve for x
    x = 9,076,344,908.64/104,055.60
  6. Step 6: Final answer
    x = 87,225.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.