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Finding the Fourth Proportional to 106,574.80, 159,665.40 and 62,222.80

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Solution

The fourth proportional to 106,574.80, 159,665.40 and 62,222.80 is: 93,219.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,574.80 : 159,665.40 = 62,222.80 : x
  2. Step 2: Convert to fraction form
    106,574.80/159,665.40 = 62,222.80/x
  3. Step 3: Cross multiply
    106,574.80x = 159,665.40 × 62,222.80
  4. Step 4: Simplify right side
    106,574.80x = 9,934,828,251.12
  5. Step 5: Solve for x
    x = 9,934,828,251.12/106,574.80
  6. Step 6: Final answer
    x = 93,219.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.