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Finding the Fourth Proportional to 180,184.50, 248,664.06 and 103,715.10

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Solution

The fourth proportional to 180,184.50, 248,664.06 and 103,715.10 is: 143,132.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,184.50 : 248,664.06 = 103,715.10 : x
  2. Step 2: Convert to fraction form
    180,184.50/248,664.06 = 103,715.10/x
  3. Step 3: Cross multiply
    180,184.50x = 248,664.06 × 103,715.10
  4. Step 4: Simplify right side
    180,184.50x = 25,790,217,849.31
  5. Step 5: Solve for x
    x = 25,790,217,849.31/180,184.50
  6. Step 6: Final answer
    x = 143,132.28

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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.