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Finding the Fourth Proportional to 116,603.93, 174,905.89 and 64,345.56

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Solution

The fourth proportional to 116,603.93, 174,905.89 and 64,345.56 is: 96,518.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,603.93 : 174,905.89 = 64,345.56 : x
  2. Step 2: Convert to fraction form
    116,603.93/174,905.89 = 64,345.56/x
  3. Step 3: Cross multiply
    116,603.93x = 174,905.89 × 64,345.56
  4. Step 4: Simplify right side
    116,603.93x = 11,254,417,278.48
  5. Step 5: Solve for x
    x = 11,254,417,278.48/116,603.93
  6. Step 6: Final answer
    x = 96,518.34

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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.