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Finding the Fourth Proportional to 180,296.68, 248,804.76 and 99,722.20

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Solution

The fourth proportional to 180,296.68, 248,804.76 and 99,722.20 is: 137,614.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,296.68 : 248,804.76 = 99,722.20 : x
  2. Step 2: Convert to fraction form
    180,296.68/248,804.76 = 99,722.20/x
  3. Step 3: Cross multiply
    180,296.68x = 248,804.76 × 99,722.20
  4. Step 4: Simplify right side
    180,296.68x = 24,811,358,037.67
  5. Step 5: Solve for x
    x = 24,811,358,037.67/180,296.68
  6. Step 6: Final answer
    x = 137,614.06

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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.