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Finding the Fourth Proportional to 357,482.50, 536,297.60 and 104,771.28

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Solution

The fourth proportional to 357,482.50, 536,297.60 and 104,771.28 is: 157,178.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,482.50 : 536,297.60 = 104,771.28 : x
  2. Step 2: Convert to fraction form
    357,482.50/536,297.60 = 104,771.28/x
  3. Step 3: Cross multiply
    357,482.50x = 536,297.60 × 104,771.28
  4. Step 4: Simplify right side
    357,482.50x = 56,188,586,012.93
  5. Step 5: Solve for x
    x = 56,188,586,012.93/357,482.50
  6. Step 6: Final answer
    x = 157,178.56

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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.