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Finding the Fourth Proportional to 375,280.03, 562,978.37 and 126,020.35

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Solution

The fourth proportional to 375,280.03, 562,978.37 and 126,020.35 is: 189,050.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,280.03 : 562,978.37 = 126,020.35 : x
  2. Step 2: Convert to fraction form
    375,280.03/562,978.37 = 126,020.35/x
  3. Step 3: Cross multiply
    375,280.03x = 562,978.37 × 126,020.35
  4. Step 4: Simplify right side
    375,280.03x = 70,946,731,539.74
  5. Step 5: Solve for x
    x = 70,946,731,539.74/375,280.03
  6. Step 6: Final answer
    x = 189,050.11

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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.