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Finding the Fourth Proportional to 99,333.70, 149,000.55 and 94,725.70

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Solution

The fourth proportional to 99,333.70, 149,000.55 and 94,725.70 is: 142,088.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,333.70 : 149,000.55 = 94,725.70 : x
  2. Step 2: Convert to fraction form
    99,333.70/149,000.55 = 94,725.70/x
  3. Step 3: Cross multiply
    99,333.70x = 149,000.55 × 94,725.70
  4. Step 4: Simplify right side
    99,333.70x = 14,114,181,399.14
  5. Step 5: Solve for x
    x = 14,114,181,399.14/99,333.70
  6. Step 6: Final answer
    x = 142,088.55

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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.