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Finding the Fourth Proportional to 375,574.55, 562,968.17 and 138,766.19

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Solution

The fourth proportional to 375,574.55, 562,968.17 and 138,766.19 is: 208,003.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,574.55 : 562,968.17 = 138,766.19 : x
  2. Step 2: Convert to fraction form
    375,574.55/562,968.17 = 138,766.19/x
  3. Step 3: Cross multiply
    375,574.55x = 562,968.17 × 138,766.19
  4. Step 4: Simplify right side
    375,574.55x = 78,120,947,830.29
  5. Step 5: Solve for x
    x = 78,120,947,830.29/375,574.55
  6. Step 6: Final answer
    x = 208,003.84

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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.