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Finding the Fourth Proportional to 98,730.93, 148,104.82 and 34,683.48

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Solution

The fourth proportional to 98,730.93, 148,104.82 and 34,683.48 is: 52,028.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,730.93 : 148,104.82 = 34,683.48 : x
  2. Step 2: Convert to fraction form
    98,730.93/148,104.82 = 34,683.48/x
  3. Step 3: Cross multiply
    98,730.93x = 148,104.82 × 34,683.48
  4. Step 4: Simplify right side
    98,730.93x = 5,136,789,803.61
  5. Step 5: Solve for x
    x = 5,136,789,803.61/98,730.93
  6. Step 6: Final answer
    x = 52,028.17

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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.