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Finding the Fourth Proportional to 117,256.22, 176,119.69 and 69,963.60

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Solution

The fourth proportional to 117,256.22, 176,119.69 and 69,963.60 is: 105,085.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,256.22 : 176,119.69 = 69,963.60 : x
  2. Step 2: Convert to fraction form
    117,256.22/176,119.69 = 69,963.60/x
  3. Step 3: Cross multiply
    117,256.22x = 176,119.69 × 69,963.60
  4. Step 4: Simplify right side
    117,256.22x = 12,321,967,543.28
  5. Step 5: Solve for x
    x = 12,321,967,543.28/117,256.22
  6. Step 6: Final answer
    x = 105,085.83

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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.