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Finding the Fourth Proportional to 210,059.70, 315,089.55 and 183,815.70

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Solution

The fourth proportional to 210,059.70, 315,089.55 and 183,815.70 is: 275,723.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,059.70 : 315,089.55 = 183,815.70 : x
  2. Step 2: Convert to fraction form
    210,059.70/315,089.55 = 183,815.70/x
  3. Step 3: Cross multiply
    210,059.70x = 315,089.55 × 183,815.70
  4. Step 4: Simplify right side
    210,059.70x = 57,918,406,195.94
  5. Step 5: Solve for x
    x = 57,918,406,195.94/210,059.70
  6. Step 6: Final answer
    x = 275,723.55

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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.