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Finding the Fourth Proportional to 180,036.30, 248,450.67 and 99,468.30

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Solution

The fourth proportional to 180,036.30, 248,450.67 and 99,468.30 is: 137,266.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,036.30 : 248,450.67 = 99,468.30 : x
  2. Step 2: Convert to fraction form
    180,036.30/248,450.67 = 99,468.30/x
  3. Step 3: Cross multiply
    180,036.30x = 248,450.67 × 99,468.30
  4. Step 4: Simplify right side
    180,036.30x = 24,712,965,778.76
  5. Step 5: Solve for x
    x = 24,712,965,778.76/180,036.30
  6. Step 6: Final answer
    x = 137,266.57

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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.