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Finding the Fourth Proportional to 245,350.70, 368,075.40 and 87,575.05

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Solution

The fourth proportional to 245,350.70, 368,075.40 and 87,575.05 is: 131,380.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,350.70 : 368,075.40 = 87,575.05 : x
  2. Step 2: Convert to fraction form
    245,350.70/368,075.40 = 87,575.05/x
  3. Step 3: Cross multiply
    245,350.70x = 368,075.40 × 87,575.05
  4. Step 4: Simplify right side
    245,350.70x = 32,234,221,558.77
  5. Step 5: Solve for x
    x = 32,234,221,558.77/245,350.70
  6. Step 6: Final answer
    x = 131,380.19

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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.