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Finding the Fourth Proportional to 99,960.40, 149,957.40 and 29,846.80

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Solution

The fourth proportional to 99,960.40, 149,957.40 and 29,846.80 is: 44,775.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,960.40 : 149,957.40 = 29,846.80 : x
  2. Step 2: Convert to fraction form
    99,960.40/149,957.40 = 29,846.80/x
  3. Step 3: Cross multiply
    99,960.40x = 149,957.40 × 29,846.80
  4. Step 4: Simplify right side
    99,960.40x = 4,475,748,526.32
  5. Step 5: Solve for x
    x = 4,475,748,526.32/99,960.40
  6. Step 6: Final answer
    x = 44,775.22

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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.