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Finding the Fourth Proportional to 68,594.36, 103,405.67 and 64,022.16

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Solution

The fourth proportional to 68,594.36, 103,405.67 and 64,022.16 is: 96,513.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,594.36 : 103,405.67 = 64,022.16 : x
  2. Step 2: Convert to fraction form
    68,594.36/103,405.67 = 64,022.16/x
  3. Step 3: Cross multiply
    68,594.36x = 103,405.67 × 64,022.16
  4. Step 4: Simplify right side
    68,594.36x = 6,620,254,657.39
  5. Step 5: Solve for x
    x = 6,620,254,657.39/68,594.36
  6. Step 6: Final answer
    x = 96,513.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.