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Finding the Fourth Proportional to 163,777.76, 245,272.94 and 93,443.84

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Solution

The fourth proportional to 163,777.76, 245,272.94 and 93,443.84 is: 139,941.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,777.76 : 245,272.94 = 93,443.84 : x
  2. Step 2: Convert to fraction form
    163,777.76/245,272.94 = 93,443.84/x
  3. Step 3: Cross multiply
    163,777.76x = 245,272.94 × 93,443.84
  4. Step 4: Simplify right side
    163,777.76x = 22,919,245,361.69
  5. Step 5: Solve for x
    x = 22,919,245,361.69/163,777.76
  6. Step 6: Final answer
    x = 139,941.13

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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.