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Finding the Fourth Proportional to 374,530.08, 561,792.96 and 125,209.92

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Solution

The fourth proportional to 374,530.08, 561,792.96 and 125,209.92 is: 187,814.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,530.08 : 561,792.96 = 125,209.92 : x
  2. Step 2: Convert to fraction form
    374,530.08/561,792.96 = 125,209.92/x
  3. Step 3: Cross multiply
    374,530.08x = 561,792.96 × 125,209.92
  4. Step 4: Simplify right side
    374,530.08x = 70,342,051,578.16
  5. Step 5: Solve for x
    x = 70,342,051,578.16/374,530.08
  6. Step 6: Final answer
    x = 187,814.16

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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.