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Finding the Fourth Proportional to 260,191.35, 359,123.94 and 169,389.09

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Solution

The fourth proportional to 260,191.35, 359,123.94 and 169,389.09 is: 233,795.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,191.35 : 359,123.94 = 169,389.09 : x
  2. Step 2: Convert to fraction form
    260,191.35/359,123.94 = 169,389.09/x
  3. Step 3: Cross multiply
    260,191.35x = 359,123.94 × 169,389.09
  4. Step 4: Simplify right side
    260,191.35x = 60,831,677,393.81
  5. Step 5: Solve for x
    x = 60,831,677,393.81/260,191.35
  6. Step 6: Final answer
    x = 233,795.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.