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Finding the Fourth Proportional to 202,319.94, 279,201.55 and 111,675.94

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Solution

The fourth proportional to 202,319.94, 279,201.55 and 111,675.94 is: 154,112.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,319.94 : 279,201.55 = 111,675.94 : x
  2. Step 2: Convert to fraction form
    202,319.94/279,201.55 = 111,675.94/x
  3. Step 3: Cross multiply
    202,319.94x = 279,201.55 × 111,675.94
  4. Step 4: Simplify right side
    202,319.94x = 31,180,095,545.71
  5. Step 5: Solve for x
    x = 31,180,095,545.71/202,319.94
  6. Step 6: Final answer
    x = 154,112.82

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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.