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Finding the Fourth Proportional to 234,533.80, 351,800.70 and 94,220.20

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Solution

The fourth proportional to 234,533.80, 351,800.70 and 94,220.20 is: 141,330.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,533.80 : 351,800.70 = 94,220.20 : x
  2. Step 2: Convert to fraction form
    234,533.80/351,800.70 = 94,220.20/x
  3. Step 3: Cross multiply
    234,533.80x = 351,800.70 × 94,220.20
  4. Step 4: Simplify right side
    234,533.80x = 33,146,732,314.14
  5. Step 5: Solve for x
    x = 33,146,732,314.14/234,533.80
  6. Step 6: Final answer
    x = 141,330.30

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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.