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Finding the Fourth Proportional to 145,552, 218,327.96 and 40,370.98

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Solution

The fourth proportional to 145,552, 218,327.96 and 40,370.98 is: 60,556.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,552 : 218,327.96 = 40,370.98 : x
  2. Step 2: Convert to fraction form
    145,552/218,327.96 = 40,370.98/x
  3. Step 3: Cross multiply
    145,552x = 218,327.96 × 40,370.98
  4. Step 4: Simplify right side
    145,552x = 8,814,113,706.60
  5. Step 5: Solve for x
    x = 8,814,113,706.60/145,552
  6. Step 6: Final answer
    x = 60,556.46

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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.