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Finding the Fourth Proportional to 99,645.48, 149,468.76 and 29,525.40

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Solution

The fourth proportional to 99,645.48, 149,468.76 and 29,525.40 is: 44,288.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,645.48 : 149,468.76 = 29,525.40 : x
  2. Step 2: Convert to fraction form
    99,645.48/149,468.76 = 29,525.40/x
  3. Step 3: Cross multiply
    99,645.48x = 149,468.76 × 29,525.40
  4. Step 4: Simplify right side
    99,645.48x = 4,413,124,926.50
  5. Step 5: Solve for x
    x = 4,413,124,926.50/99,645.48
  6. Step 6: Final answer
    x = 44,288.26

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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.