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Finding the Fourth Proportional to 232,935.40, 349,230.30 and 99,706.60

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Solution

The fourth proportional to 232,935.40, 349,230.30 and 99,706.60 is: 149,485.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,935.40 : 349,230.30 = 99,706.60 : x
  2. Step 2: Convert to fraction form
    232,935.40/349,230.30 = 99,706.60/x
  3. Step 3: Cross multiply
    232,935.40x = 349,230.30 × 99,706.60
  4. Step 4: Simplify right side
    232,935.40x = 34,820,565,829.98
  5. Step 5: Solve for x
    x = 34,820,565,829.98/232,935.40
  6. Step 6: Final answer
    x = 149,485.93

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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.