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Finding the Fourth Proportional to 170,665.50, 235,606.93 and 124,673.50

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Solution

The fourth proportional to 170,665.50, 235,606.93 and 124,673.50 is: 172,114.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,665.50 : 235,606.93 = 124,673.50 : x
  2. Step 2: Convert to fraction form
    170,665.50/235,606.93 = 124,673.50/x
  3. Step 3: Cross multiply
    170,665.50x = 235,606.93 × 124,673.50
  4. Step 4: Simplify right side
    170,665.50x = 29,373,940,587.36
  5. Step 5: Solve for x
    x = 29,373,940,587.36/170,665.50
  6. Step 6: Final answer
    x = 172,114.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.