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Finding the Fourth Proportional to 108,551.34, 149,798.16 and 60,804.36

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Solution

The fourth proportional to 108,551.34, 149,798.16 and 60,804.36 is: 83,908.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,551.34 : 149,798.16 = 60,804.36 : x
  2. Step 2: Convert to fraction form
    108,551.34/149,798.16 = 60,804.36/x
  3. Step 3: Cross multiply
    108,551.34x = 149,798.16 × 60,804.36
  4. Step 4: Simplify right side
    108,551.34x = 9,108,381,247.98
  5. Step 5: Solve for x
    x = 9,108,381,247.98/108,551.34
  6. Step 6: Final answer
    x = 83,908.51

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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.