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Finding the Fourth Proportional to 173,361.44, 260,077.80 and 55,030.16

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Solution

The fourth proportional to 173,361.44, 260,077.80 and 55,030.16 is: 82,556.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,361.44 : 260,077.80 = 55,030.16 : x
  2. Step 2: Convert to fraction form
    173,361.44/260,077.80 = 55,030.16/x
  3. Step 3: Cross multiply
    173,361.44x = 260,077.80 × 55,030.16
  4. Step 4: Simplify right side
    173,361.44x = 14,312,122,946.45
  5. Step 5: Solve for x
    x = 14,312,122,946.45/173,361.44
  6. Step 6: Final answer
    x = 82,556.55

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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.