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Finding the Fourth Proportional to 222,574.60, 333,570.30 and 89,345.80

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Solution

The fourth proportional to 222,574.60, 333,570.30 and 89,345.80 is: 133,901.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,574.60 : 333,570.30 = 89,345.80 : x
  2. Step 2: Convert to fraction form
    222,574.60/333,570.30 = 89,345.80/x
  3. Step 3: Cross multiply
    222,574.60x = 333,570.30 × 89,345.80
  4. Step 4: Simplify right side
    222,574.60x = 29,803,105,309.74
  5. Step 5: Solve for x
    x = 29,803,105,309.74/222,574.60
  6. Step 6: Final answer
    x = 133,901.65

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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.