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Finding the Fourth Proportional to 245,500.53, 368,287.26 and 77,034.72

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Solution

The fourth proportional to 245,500.53, 368,287.26 and 77,034.72 is: 115,563.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,500.53 : 368,287.26 = 77,034.72 : x
  2. Step 2: Convert to fraction form
    245,500.53/368,287.26 = 77,034.72/x
  3. Step 3: Cross multiply
    245,500.53x = 368,287.26 × 77,034.72
  4. Step 4: Simplify right side
    245,500.53x = 28,370,905,953.67
  5. Step 5: Solve for x
    x = 28,370,905,953.67/245,500.53
  6. Step 6: Final answer
    x = 115,563.52

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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.