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Finding the Fourth Proportional to 374,530.58, 561,793.71 and 125,210.42

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Solution

The fourth proportional to 374,530.58, 561,793.71 and 125,210.42 is: 187,814.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,530.58 : 561,793.71 = 125,210.42 : x
  2. Step 2: Convert to fraction form
    374,530.58/561,793.71 = 125,210.42/x
  3. Step 3: Cross multiply
    374,530.58x = 561,793.71 × 125,210.42
  4. Step 4: Simplify right side
    374,530.58x = 70,342,426,382.46
  5. Step 5: Solve for x
    x = 70,342,426,382.46/374,530.58
  6. Step 6: Final answer
    x = 187,814.91

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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.