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Finding the Fourth Proportional to 96,420.80, 144,625.80 and 29,860.40

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Solution

The fourth proportional to 96,420.80, 144,625.80 and 29,860.40 is: 44,788.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,420.80 : 144,625.80 = 29,860.40 : x
  2. Step 2: Convert to fraction form
    96,420.80/144,625.80 = 29,860.40/x
  3. Step 3: Cross multiply
    96,420.80x = 144,625.80 × 29,860.40
  4. Step 4: Simplify right side
    96,420.80x = 4,318,584,238.32
  5. Step 5: Solve for x
    x = 4,318,584,238.32/96,420.80
  6. Step 6: Final answer
    x = 44,788.93

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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.