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Finding the Fourth Proportional to 69,970.60, 98,166.20 and 69,970.60

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Solution

The fourth proportional to 69,970.60, 98,166.20 and 69,970.60 is: 98,166.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,970.60 : 98,166.20 = 69,970.60 : x
  2. Step 2: Convert to fraction form
    69,970.60/98,166.20 = 69,970.60/x
  3. Step 3: Cross multiply
    69,970.60x = 98,166.20 × 69,970.60
  4. Step 4: Simplify right side
    69,970.60x = 6,868,747,913.72
  5. Step 5: Solve for x
    x = 6,868,747,913.72/69,970.60
  6. Step 6: Final answer
    x = 98,166.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.