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Finding the Fourth Proportional to 109,084.40, 163,626.60 and 62,428.40

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Solution

The fourth proportional to 109,084.40, 163,626.60 and 62,428.40 is: 93,642.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,084.40 : 163,626.60 = 62,428.40 : x
  2. Step 2: Convert to fraction form
    109,084.40/163,626.60 = 62,428.40/x
  3. Step 3: Cross multiply
    109,084.40x = 163,626.60 × 62,428.40
  4. Step 4: Simplify right side
    109,084.40x = 10,214,946,835.44
  5. Step 5: Solve for x
    x = 10,214,946,835.44/109,084.40
  6. Step 6: Final answer
    x = 93,642.60

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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.