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Finding the Fourth Proportional to 144,801.74, 216,906.99 and 74,533.46

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Solution

The fourth proportional to 144,801.74, 216,906.99 and 74,533.46 is: 111,648.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,801.74 : 216,906.99 = 74,533.46 : x
  2. Step 2: Convert to fraction form
    144,801.74/216,906.99 = 74,533.46/x
  3. Step 3: Cross multiply
    144,801.74x = 216,906.99 × 74,533.46
  4. Step 4: Simplify right side
    144,801.74x = 16,166,828,462.89
  5. Step 5: Solve for x
    x = 16,166,828,462.89/144,801.74
  6. Step 6: Final answer
    x = 111,648.03

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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.