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Finding the Fourth Proportional to 104,967.90, 144,810.10 and 66,706.94

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Solution

The fourth proportional to 104,967.90, 144,810.10 and 66,706.94 is: 92,026.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,967.90 : 144,810.10 = 66,706.94 : x
  2. Step 2: Convert to fraction form
    104,967.90/144,810.10 = 66,706.94/x
  3. Step 3: Cross multiply
    104,967.90x = 144,810.10 × 66,706.94
  4. Step 4: Simplify right side
    104,967.90x = 9,659,838,722.28
  5. Step 5: Solve for x
    x = 9,659,838,722.28/104,967.90
  6. Step 6: Final answer
    x = 92,026.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.