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Finding the Fourth Proportional to 312,372.02, 468,603.83 and 99,068.80

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Solution

The fourth proportional to 312,372.02, 468,603.83 and 99,068.80 is: 148,617.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,372.02 : 468,603.83 = 99,068.80 : x
  2. Step 2: Convert to fraction form
    312,372.02/468,603.83 = 99,068.80/x
  3. Step 3: Cross multiply
    312,372.02x = 468,603.83 × 99,068.80
  4. Step 4: Simplify right side
    312,372.02x = 46,424,019,113.50
  5. Step 5: Solve for x
    x = 46,424,019,113.50/312,372.02
  6. Step 6: Final answer
    x = 148,617.73

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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.