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Finding the Fourth Proportional to 193,855.54, 290,782.98 and 60,746.02

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Solution

The fourth proportional to 193,855.54, 290,782.98 and 60,746.02 is: 91,118.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,855.54 : 290,782.98 = 60,746.02 : x
  2. Step 2: Convert to fraction form
    193,855.54/290,782.98 = 60,746.02/x
  3. Step 3: Cross multiply
    193,855.54x = 290,782.98 × 60,746.02
  4. Step 4: Simplify right side
    193,855.54x = 17,663,908,718.74
  5. Step 5: Solve for x
    x = 17,663,908,718.74/193,855.54
  6. Step 6: Final answer
    x = 91,118.93

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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.