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Finding the Fourth Proportional to 99,465.94, 149,059.11 and 84,616.18

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Solution

The fourth proportional to 99,465.94, 149,059.11 and 84,616.18 is: 126,805.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,465.94 : 149,059.11 = 84,616.18 : x
  2. Step 2: Convert to fraction form
    99,465.94/149,059.11 = 84,616.18/x
  3. Step 3: Cross multiply
    99,465.94x = 149,059.11 × 84,616.18
  4. Step 4: Simplify right side
    99,465.94x = 12,612,812,482.40
  5. Step 5: Solve for x
    x = 12,612,812,482.40/99,465.94
  6. Step 6: Final answer
    x = 126,805.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.