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Finding the Fourth Proportional to 222,725.80, 334,088.70 and 147,930.40

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Solution

The fourth proportional to 222,725.80, 334,088.70 and 147,930.40 is: 221,895.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,725.80 : 334,088.70 = 147,930.40 : x
  2. Step 2: Convert to fraction form
    222,725.80/334,088.70 = 147,930.40/x
  3. Step 3: Cross multiply
    222,725.80x = 334,088.70 × 147,930.40
  4. Step 4: Simplify right side
    222,725.80x = 49,421,875,026.48
  5. Step 5: Solve for x
    x = 49,421,875,026.48/222,725.80
  6. Step 6: Final answer
    x = 221,895.60

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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.