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Finding the Fourth Proportional to 180,048.61, 248,464.16 and 98,375.11

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Solution

The fourth proportional to 180,048.61, 248,464.16 and 98,375.11 is: 135,756.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,048.61 : 248,464.16 = 98,375.11 : x
  2. Step 2: Convert to fraction form
    180,048.61/248,464.16 = 98,375.11/x
  3. Step 3: Cross multiply
    180,048.61x = 248,464.16 × 98,375.11
  4. Step 4: Simplify right side
    180,048.61x = 24,442,688,695.84
  5. Step 5: Solve for x
    x = 24,442,688,695.84/180,048.61
  6. Step 6: Final answer
    x = 135,756.06

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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.