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Finding the Fourth Proportional to 99,662.90, 149,443.05 and 29,533.10

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Solution

The fourth proportional to 99,662.90, 149,443.05 and 29,533.10 is: 44,284.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,662.90 : 149,443.05 = 29,533.10 : x
  2. Step 2: Convert to fraction form
    99,662.90/149,443.05 = 29,533.10/x
  3. Step 3: Cross multiply
    99,662.90x = 149,443.05 × 29,533.10
  4. Step 4: Simplify right side
    99,662.90x = 4,413,516,539.96
  5. Step 5: Solve for x
    x = 4,413,516,539.96/99,662.90
  6. Step 6: Final answer
    x = 44,284.45

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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.