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Finding the Fourth Proportional to 368,850.60, 553,200.30 and 102,544.20

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Solution

The fourth proportional to 368,850.60, 553,200.30 and 102,544.20 is: 153,795.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,850.60 : 553,200.30 = 102,544.20 : x
  2. Step 2: Convert to fraction form
    368,850.60/553,200.30 = 102,544.20/x
  3. Step 3: Cross multiply
    368,850.60x = 553,200.30 × 102,544.20
  4. Step 4: Simplify right side
    368,850.60x = 56,727,482,203.26
  5. Step 5: Solve for x
    x = 56,727,482,203.26/368,850.60
  6. Step 6: Final answer
    x = 153,795.28

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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.