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Finding the Fourth Proportional to 98,762.17, 148,161.69 and 39,602.47

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Solution

The fourth proportional to 98,762.17, 148,161.69 and 39,602.47 is: 59,411.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,762.17 : 148,161.69 = 39,602.47 : x
  2. Step 2: Convert to fraction form
    98,762.17/148,161.69 = 39,602.47/x
  3. Step 3: Cross multiply
    98,762.17x = 148,161.69 × 39,602.47
  4. Step 4: Simplify right side
    98,762.17x = 5,867,568,883.37
  5. Step 5: Solve for x
    x = 5,867,568,883.37/98,762.17
  6. Step 6: Final answer
    x = 59,411.10

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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.