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Finding the Fourth Proportional to 170,648.72, 255,955.80 and 46,002.32

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Solution

The fourth proportional to 170,648.72, 255,955.80 and 46,002.32 is: 68,998.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,648.72 : 255,955.80 = 46,002.32 : x
  2. Step 2: Convert to fraction form
    170,648.72/255,955.80 = 46,002.32/x
  3. Step 3: Cross multiply
    170,648.72x = 255,955.80 × 46,002.32
  4. Step 4: Simplify right side
    170,648.72x = 11,774,560,617.46
  5. Step 5: Solve for x
    x = 11,774,560,617.46/170,648.72
  6. Step 6: Final answer
    x = 68,998.82

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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.