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Finding the Fourth Proportional to 155,896.40, 234,017.40 and 96,798.80

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Solution

The fourth proportional to 155,896.40, 234,017.40 and 96,798.80 is: 145,305.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,896.40 : 234,017.40 = 96,798.80 : x
  2. Step 2: Convert to fraction form
    155,896.40/234,017.40 = 96,798.80/x
  3. Step 3: Cross multiply
    155,896.40x = 234,017.40 × 96,798.80
  4. Step 4: Simplify right side
    155,896.40x = 22,652,603,499.12
  5. Step 5: Solve for x
    x = 22,652,603,499.12/155,896.40
  6. Step 6: Final answer
    x = 145,305.49

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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.