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Finding the Fourth Proportional to 99,354.64, 137,110.32 and 54,033.05

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Solution

The fourth proportional to 99,354.64, 137,110.32 and 54,033.05 is: 74,566.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,354.64 : 137,110.32 = 54,033.05 : x
  2. Step 2: Convert to fraction form
    99,354.64/137,110.32 = 54,033.05/x
  3. Step 3: Cross multiply
    99,354.64x = 137,110.32 × 54,033.05
  4. Step 4: Simplify right side
    99,354.64x = 7,408,488,776.08
  5. Step 5: Solve for x
    x = 7,408,488,776.08/99,354.64
  6. Step 6: Final answer
    x = 74,566.11

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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.