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Finding the Fourth Proportional to 355,605.60, 533,297.12 and 118,893.04

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Solution

The fourth proportional to 355,605.60, 533,297.12 and 118,893.04 is: 178,302.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,605.60 : 533,297.12 = 118,893.04 : x
  2. Step 2: Convert to fraction form
    355,605.60/533,297.12 = 118,893.04/x
  3. Step 3: Cross multiply
    355,605.60x = 533,297.12 × 118,893.04
  4. Step 4: Simplify right side
    355,605.60x = 63,405,315,820.04
  5. Step 5: Solve for x
    x = 63,405,315,820.04/355,605.60
  6. Step 6: Final answer
    x = 178,302.35

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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.