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Finding the Fourth Proportional to 245,525.52, 368,303.84 and 77,052.48

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Solution

The fourth proportional to 245,525.52, 368,303.84 and 77,052.48 is: 115,583.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,525.52 : 368,303.84 = 77,052.48 : x
  2. Step 2: Convert to fraction form
    245,525.52/368,303.84 = 77,052.48/x
  3. Step 3: Cross multiply
    245,525.52x = 368,303.84 × 77,052.48
  4. Step 4: Simplify right side
    245,525.52x = 28,378,724,265.52
  5. Step 5: Solve for x
    x = 28,378,724,265.52/245,525.52
  6. Step 6: Final answer
    x = 115,583.60

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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.