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Finding the Fourth Proportional to 114,806.31, 158,510.03 and 102,669.15

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Solution

The fourth proportional to 114,806.31, 158,510.03 and 102,669.15 is: 141,752.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,806.31 : 158,510.03 = 102,669.15 : x
  2. Step 2: Convert to fraction form
    114,806.31/158,510.03 = 102,669.15/x
  3. Step 3: Cross multiply
    114,806.31x = 158,510.03 × 102,669.15
  4. Step 4: Simplify right side
    114,806.31x = 16,274,089,533.23
  5. Step 5: Solve for x
    x = 16,274,089,533.23/114,806.31
  6. Step 6: Final answer
    x = 141,752.57

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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.