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Finding the Fourth Proportional to 69,340.90, 104,069.70 and 64,966.90

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Solution

The fourth proportional to 69,340.90, 104,069.70 and 64,966.90 is: 97,505.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,340.90 : 104,069.70 = 64,966.90 : x
  2. Step 2: Convert to fraction form
    69,340.90/104,069.70 = 64,966.90/x
  3. Step 3: Cross multiply
    69,340.90x = 104,069.70 × 64,966.90
  4. Step 4: Simplify right side
    69,340.90x = 6,761,085,792.93
  5. Step 5: Solve for x
    x = 6,761,085,792.93/69,340.90
  6. Step 6: Final answer
    x = 97,505.02

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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.