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Finding the Fourth Proportional to 226,211.94, 312,083.01 and 130,701.06

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Solution

The fourth proportional to 226,211.94, 312,083.01 and 130,701.06 is: 180,315.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,211.94 : 312,083.01 = 130,701.06 : x
  2. Step 2: Convert to fraction form
    226,211.94/312,083.01 = 130,701.06/x
  3. Step 3: Cross multiply
    226,211.94x = 312,083.01 × 130,701.06
  4. Step 4: Simplify right side
    226,211.94x = 40,789,580,214.99
  5. Step 5: Solve for x
    x = 40,789,580,214.99/226,211.94
  6. Step 6: Final answer
    x = 180,315.77

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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.