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Finding the Fourth Proportional to 180,397.17, 248,974.50 and 103,901.56

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Solution

The fourth proportional to 180,397.17, 248,974.50 and 103,901.56 is: 143,399.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,397.17 : 248,974.50 = 103,901.56 : x
  2. Step 2: Convert to fraction form
    180,397.17/248,974.50 = 103,901.56/x
  3. Step 3: Cross multiply
    180,397.17x = 248,974.50 × 103,901.56
  4. Step 4: Simplify right side
    180,397.17x = 25,868,838,950.22
  5. Step 5: Solve for x
    x = 25,868,838,950.22/180,397.17
  6. Step 6: Final answer
    x = 143,399.36

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1.5x scale

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.