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Finding the Fourth Proportional to 374,751.36, 562,209.12 and 108,522.72

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Solution

The fourth proportional to 374,751.36, 562,209.12 and 108,522.72 is: 162,807.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,751.36 : 562,209.12 = 108,522.72 : x
  2. Step 2: Convert to fraction form
    374,751.36/562,209.12 = 108,522.72/x
  3. Step 3: Cross multiply
    374,751.36x = 562,209.12 × 108,522.72
  4. Step 4: Simplify right side
    374,751.36x = 61,012,462,911.21
  5. Step 5: Solve for x
    x = 61,012,462,911.21/374,751.36
  6. Step 6: Final answer
    x = 162,807.85

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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.