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Finding the Fourth Proportional to 108,773.55, 150,135.08 and 74,332.22

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Solution

The fourth proportional to 108,773.55, 150,135.08 and 74,332.22 is: 102,597.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,773.55 : 150,135.08 = 74,332.22 : x
  2. Step 2: Convert to fraction form
    108,773.55/150,135.08 = 74,332.22/x
  3. Step 3: Cross multiply
    108,773.55x = 150,135.08 × 74,332.22
  4. Step 4: Simplify right side
    108,773.55x = 11,159,872,673.94
  5. Step 5: Solve for x
    x = 11,159,872,673.94/108,773.55
  6. Step 6: Final answer
    x = 102,597.30

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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.