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Finding the Fourth Proportional to 108,900.78, 150,264.08 and 60,494.96

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Solution

The fourth proportional to 108,900.78, 150,264.08 and 60,494.96 is: 83,472.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,900.78 : 150,264.08 = 60,494.96 : x
  2. Step 2: Convert to fraction form
    108,900.78/150,264.08 = 60,494.96/x
  3. Step 3: Cross multiply
    108,900.78x = 150,264.08 × 60,494.96
  4. Step 4: Simplify right side
    108,900.78x = 9,090,219,509.04
  5. Step 5: Solve for x
    x = 9,090,219,509.04/108,900.78
  6. Step 6: Final answer
    x = 83,472.49

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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.