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Finding the Fourth Proportional to 102,482.33, 152,704.67 and 91,303.11

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Solution

The fourth proportional to 102,482.33, 152,704.67 and 91,303.11 is: 136,046.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,482.33 : 152,704.67 = 91,303.11 : x
  2. Step 2: Convert to fraction form
    102,482.33/152,704.67 = 91,303.11/x
  3. Step 3: Cross multiply
    102,482.33x = 152,704.67 × 91,303.11
  4. Step 4: Simplify right side
    102,482.33x = 13,942,410,826.01
  5. Step 5: Solve for x
    x = 13,942,410,826.01/102,482.33
  6. Step 6: Final answer
    x = 136,046.98

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.