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Finding the Fourth Proportional to 180,103, 248,542.26 and 104,656.36

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Solution

The fourth proportional to 180,103, 248,542.26 and 104,656.36 is: 144,425.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,103 : 248,542.26 = 104,656.36 : x
  2. Step 2: Convert to fraction form
    180,103/248,542.26 = 104,656.36/x
  3. Step 3: Cross multiply
    180,103x = 248,542.26 × 104,656.36
  4. Step 4: Simplify right side
    180,103x = 26,011,528,237.77
  5. Step 5: Solve for x
    x = 26,011,528,237.77/180,103
  6. Step 6: Final answer
    x = 144,425.85

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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.