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Finding the Fourth Proportional to 136,888.74, 205,047 and 110,089.80

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Solution

The fourth proportional to 136,888.74, 205,047 and 110,089.80 is: 164,904.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,888.74 : 205,047 = 110,089.80 : x
  2. Step 2: Convert to fraction form
    136,888.74/205,047 = 110,089.80/x
  3. Step 3: Cross multiply
    136,888.74x = 205,047 × 110,089.80
  4. Step 4: Simplify right side
    136,888.74x = 22,573,583,220.60
  5. Step 5: Solve for x
    x = 22,573,583,220.60/136,888.74
  6. Step 6: Final answer
    x = 164,904.60

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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.