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Finding the Fourth Proportional to 68,316.95, 101,788.54 and 64,497.22

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Solution

The fourth proportional to 68,316.95, 101,788.54 and 64,497.22 is: 96,097.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,316.95 : 101,788.54 = 64,497.22 : x
  2. Step 2: Convert to fraction form
    68,316.95/101,788.54 = 64,497.22/x
  3. Step 3: Cross multiply
    68,316.95x = 101,788.54 × 64,497.22
  4. Step 4: Simplify right side
    68,316.95x = 6,565,077,857.86
  5. Step 5: Solve for x
    x = 6,565,077,857.86/68,316.95
  6. Step 6: Final answer
    x = 96,097.35

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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.