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Finding the Fourth Proportional to 206,798.26, 310,000.23 and 66,458.26

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Solution

The fourth proportional to 206,798.26, 310,000.23 and 66,458.26 is: 99,624.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,798.26 : 310,000.23 = 66,458.26 : x
  2. Step 2: Convert to fraction form
    206,798.26/310,000.23 = 66,458.26/x
  3. Step 3: Cross multiply
    206,798.26x = 310,000.23 × 66,458.26
  4. Step 4: Simplify right side
    206,798.26x = 20,602,075,885.40
  5. Step 5: Solve for x
    x = 20,602,075,885.40/206,798.26
  6. Step 6: Final answer
    x = 99,624.03

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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.