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Finding the Fourth Proportional to 108,373.36, 149,526.42 and 74,392.24

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Solution

The fourth proportional to 108,373.36, 149,526.42 and 74,392.24 is: 102,641.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,373.36 : 149,526.42 = 74,392.24 : x
  2. Step 2: Convert to fraction form
    108,373.36/149,526.42 = 74,392.24/x
  3. Step 3: Cross multiply
    108,373.36x = 149,526.42 × 74,392.24
  4. Step 4: Simplify right side
    108,373.36x = 11,123,605,322.98
  5. Step 5: Solve for x
    x = 11,123,605,322.98/108,373.36
  6. Step 6: Final answer
    x = 102,641.51

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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.