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Finding the Fourth Proportional to 62,210.60, 93,315.90 and 54,823.40

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Solution

The fourth proportional to 62,210.60, 93,315.90 and 54,823.40 is: 82,235.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,210.60 : 93,315.90 = 54,823.40 : x
  2. Step 2: Convert to fraction form
    62,210.60/93,315.90 = 54,823.40/x
  3. Step 3: Cross multiply
    62,210.60x = 93,315.90 × 54,823.40
  4. Step 4: Simplify right side
    62,210.60x = 5,115,894,912.06
  5. Step 5: Solve for x
    x = 5,115,894,912.06/62,210.60
  6. Step 6: Final answer
    x = 82,235.10

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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.