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Finding the Fourth Proportional to 94,698.82, 130,696.81 and 65,999.91

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Solution

The fourth proportional to 94,698.82, 130,696.81 and 65,999.91 is: 91,088.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,698.82 : 130,696.81 = 65,999.91 : x
  2. Step 2: Convert to fraction form
    94,698.82/130,696.81 = 65,999.91/x
  3. Step 3: Cross multiply
    94,698.82x = 130,696.81 × 65,999.91
  4. Step 4: Simplify right side
    94,698.82x = 8,625,978,022.40
  5. Step 5: Solve for x
    x = 8,625,978,022.40/94,698.82
  6. Step 6: Final answer
    x = 91,088.55

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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.