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Finding the Fourth Proportional to 119,718.51, 179,552.53 and 35,479.41

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Solution

The fourth proportional to 119,718.51, 179,552.53 and 35,479.41 is: 53,211.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,718.51 : 179,552.53 = 35,479.41 : x
  2. Step 2: Convert to fraction form
    119,718.51/179,552.53 = 35,479.41/x
  3. Step 3: Cross multiply
    119,718.51x = 179,552.53 × 35,479.41
  4. Step 4: Simplify right side
    119,718.51x = 6,370,417,828.41
  5. Step 5: Solve for x
    x = 6,370,417,828.41/119,718.51
  6. Step 6: Final answer
    x = 53,211.64

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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.