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Finding the Fourth Proportional to 365,300.10, 547,948.80 and 99,059.94

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Solution

The fourth proportional to 365,300.10, 547,948.80 and 99,059.94 is: 148,589.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,300.10 : 547,948.80 = 99,059.94 : x
  2. Step 2: Convert to fraction form
    365,300.10/547,948.80 = 99,059.94/x
  3. Step 3: Cross multiply
    365,300.10x = 547,948.80 × 99,059.94
  4. Step 4: Simplify right side
    365,300.10x = 54,279,775,251.07
  5. Step 5: Solve for x
    x = 54,279,775,251.07/365,300.10
  6. Step 6: Final answer
    x = 148,589.54

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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.