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Finding the Fourth Proportional to 145,960.05, 218,940.08 and 145,960.05

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Solution

The fourth proportional to 145,960.05, 218,940.08 and 145,960.05 is: 218,940.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,960.05 : 218,940.08 = 145,960.05 : x
  2. Step 2: Convert to fraction form
    145,960.05/218,940.08 = 145,960.05/x
  3. Step 3: Cross multiply
    145,960.05x = 218,940.08 × 145,960.05
  4. Step 4: Simplify right side
    145,960.05x = 31,956,504,294.00
  5. Step 5: Solve for x
    x = 31,956,504,294.00/145,960.05
  6. Step 6: Final answer
    x = 218,940.08

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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.