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Finding the Fourth Proportional to 99,274.70, 148,912.05 and 94,666.70

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Solution

The fourth proportional to 99,274.70, 148,912.05 and 94,666.70 is: 142,000.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,274.70 : 148,912.05 = 94,666.70 : x
  2. Step 2: Convert to fraction form
    99,274.70/148,912.05 = 94,666.70/x
  3. Step 3: Cross multiply
    99,274.70x = 148,912.05 × 94,666.70
  4. Step 4: Simplify right side
    99,274.70x = 14,097,012,363.74
  5. Step 5: Solve for x
    x = 14,097,012,363.74/99,274.70
  6. Step 6: Final answer
    x = 142,000.05

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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.