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Finding the Fourth Proportional to 74,404.70, 111,607.05 and 43,300.70

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Solution

The fourth proportional to 74,404.70, 111,607.05 and 43,300.70 is: 64,951.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,404.70 : 111,607.05 = 43,300.70 : x
  2. Step 2: Convert to fraction form
    74,404.70/111,607.05 = 43,300.70/x
  3. Step 3: Cross multiply
    74,404.70x = 111,607.05 × 43,300.70
  4. Step 4: Simplify right side
    74,404.70x = 4,832,663,389.94
  5. Step 5: Solve for x
    x = 4,832,663,389.94/74,404.70
  6. Step 6: Final answer
    x = 64,951.05

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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.