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Finding the Fourth Proportional to 77,533.60, 116,300.40 and 22,122.40

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Solution

The fourth proportional to 77,533.60, 116,300.40 and 22,122.40 is: 33,183.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,533.60 : 116,300.40 = 22,122.40 : x
  2. Step 2: Convert to fraction form
    77,533.60/116,300.40 = 22,122.40/x
  3. Step 3: Cross multiply
    77,533.60x = 116,300.40 × 22,122.40
  4. Step 4: Simplify right side
    77,533.60x = 2,572,843,968.96
  5. Step 5: Solve for x
    x = 2,572,843,968.96/77,533.60
  6. Step 6: Final answer
    x = 33,183.60

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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.