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Finding the Fourth Proportional to 170,472.89, 235,353.48 and 151,557.77

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Solution

The fourth proportional to 170,472.89, 235,353.48 and 151,557.77 is: 209,239.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,472.89 : 235,353.48 = 151,557.77 : x
  2. Step 2: Convert to fraction form
    170,472.89/235,353.48 = 151,557.77/x
  3. Step 3: Cross multiply
    170,472.89x = 235,353.48 × 151,557.77
  4. Step 4: Simplify right side
    170,472.89x = 35,669,648,590.54
  5. Step 5: Solve for x
    x = 35,669,648,590.54/170,472.89
  6. Step 6: Final answer
    x = 209,239.42

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1.5x scale

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.