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Finding the Fourth Proportional to 180,644.43, 249,303.38 and 100,079.40

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Solution

The fourth proportional to 180,644.43, 249,303.38 and 100,079.40 is: 138,117.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,644.43 : 249,303.38 = 100,079.40 : x
  2. Step 2: Convert to fraction form
    180,644.43/249,303.38 = 100,079.40/x
  3. Step 3: Cross multiply
    180,644.43x = 249,303.38 × 100,079.40
  4. Step 4: Simplify right side
    180,644.43x = 24,950,132,187.98
  5. Step 5: Solve for x
    x = 24,950,132,187.98/180,644.43
  6. Step 6: Final answer
    x = 138,117.36

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.