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Finding the Fourth Proportional to 222,665.60, 333,706.80 and 89,436.80

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Solution

The fourth proportional to 222,665.60, 333,706.80 and 89,436.80 is: 134,038.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,665.60 : 333,706.80 = 89,436.80 : x
  2. Step 2: Convert to fraction form
    222,665.60/333,706.80 = 89,436.80/x
  3. Step 3: Cross multiply
    222,665.60x = 333,706.80 × 89,436.80
  4. Step 4: Simplify right side
    222,665.60x = 29,845,668,330.24
  5. Step 5: Solve for x
    x = 29,845,668,330.24/222,665.60
  6. Step 6: Final answer
    x = 134,038.07

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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.