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Finding the Fourth Proportional to 227,574.68, 341,460.44 and 87,300.50

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Solution

The fourth proportional to 227,574.68, 341,460.44 and 87,300.50 is: 130,988.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,574.68 : 341,460.44 = 87,300.50 : x
  2. Step 2: Convert to fraction form
    227,574.68/341,460.44 = 87,300.50/x
  3. Step 3: Cross multiply
    227,574.68x = 341,460.44 × 87,300.50
  4. Step 4: Simplify right side
    227,574.68x = 29,809,666,705.72
  5. Step 5: Solve for x
    x = 29,809,666,705.72/227,574.68
  6. Step 6: Final answer
    x = 130,988.50

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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.