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Finding the Fourth Proportional to 227,812.60, 341,718.90 and 70,020.55

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Solution

The fourth proportional to 227,812.60, 341,718.90 and 70,020.55 is: 105,030.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,812.60 : 341,718.90 = 70,020.55 : x
  2. Step 2: Convert to fraction form
    227,812.60/341,718.90 = 70,020.55/x
  3. Step 3: Cross multiply
    227,812.60x = 341,718.90 × 70,020.55
  4. Step 4: Simplify right side
    227,812.60x = 23,927,345,323.40
  5. Step 5: Solve for x
    x = 23,927,345,323.40/227,812.60
  6. Step 6: Final answer
    x = 105,030.83

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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.