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Finding the Fourth Proportional to 108,745.47, 150,058.67 and 60,989.58

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Solution

The fourth proportional to 108,745.47, 150,058.67 and 60,989.58 is: 84,159.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,745.47 : 150,058.67 = 60,989.58 : x
  2. Step 2: Convert to fraction form
    108,745.47/150,058.67 = 60,989.58/x
  3. Step 3: Cross multiply
    108,745.47x = 150,058.67 × 60,989.58
  4. Step 4: Simplify right side
    108,745.47x = 9,152,014,953.71
  5. Step 5: Solve for x
    x = 9,152,014,953.71/108,745.47
  6. Step 6: Final answer
    x = 84,159.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.