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Finding the Fourth Proportional to 266,075.08, 399,098.04 and 160,865.80

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Solution

The fourth proportional to 266,075.08, 399,098.04 and 160,865.80 is: 241,289.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,075.08 : 399,098.04 = 160,865.80 : x
  2. Step 2: Convert to fraction form
    266,075.08/399,098.04 = 160,865.80/x
  3. Step 3: Cross multiply
    266,075.08x = 399,098.04 × 160,865.80
  4. Step 4: Simplify right side
    266,075.08x = 64,201,225,483.03
  5. Step 5: Solve for x
    x = 64,201,225,483.03/266,075.08
  6. Step 6: Final answer
    x = 241,289.89

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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.