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Finding the Fourth Proportional to 97,448.80, 146,000.40 and 60,469.60

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Solution

The fourth proportional to 97,448.80, 146,000.40 and 60,469.60 is: 90,597.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,448.80 : 146,000.40 = 60,469.60 : x
  2. Step 2: Convert to fraction form
    97,448.80/146,000.40 = 60,469.60/x
  3. Step 3: Cross multiply
    97,448.80x = 146,000.40 × 60,469.60
  4. Step 4: Simplify right side
    97,448.80x = 8,828,585,787.84
  5. Step 5: Solve for x
    x = 8,828,585,787.84/97,448.80
  6. Step 6: Final answer
    x = 90,597.17

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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.