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Finding the Fourth Proportional to 116,603.68, 174,905.52 and 64,345.31

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Solution

The fourth proportional to 116,603.68, 174,905.52 and 64,345.31 is: 96,517.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,603.68 : 174,905.52 = 64,345.31 : x
  2. Step 2: Convert to fraction form
    116,603.68/174,905.52 = 64,345.31/x
  3. Step 3: Cross multiply
    116,603.68x = 174,905.52 × 64,345.31
  4. Step 4: Simplify right side
    116,603.68x = 11,254,349,583.38
  5. Step 5: Solve for x
    x = 11,254,349,583.38/116,603.68
  6. Step 6: Final answer
    x = 96,517.97

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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.