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Finding the Fourth Proportional to 68,314.95, 101,785.56 and 64,495.22

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Solution

The fourth proportional to 68,314.95, 101,785.56 and 64,495.22 is: 96,094.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,314.95 : 101,785.56 = 64,495.22 : x
  2. Step 2: Convert to fraction form
    68,314.95/101,785.56 = 64,495.22/x
  3. Step 3: Cross multiply
    68,314.95x = 101,785.56 × 64,495.22
  4. Step 4: Simplify right side
    68,314.95x = 6,564,682,339.49
  5. Step 5: Solve for x
    x = 6,564,682,339.49/68,314.95
  6. Step 6: Final answer
    x = 96,094.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.