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Finding the Fourth Proportional to 152,998.60, 229,497.90 and 74,266.60

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Solution

The fourth proportional to 152,998.60, 229,497.90 and 74,266.60 is: 111,399.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,998.60 : 229,497.90 = 74,266.60 : x
  2. Step 2: Convert to fraction form
    152,998.60/229,497.90 = 74,266.60/x
  3. Step 3: Cross multiply
    152,998.60x = 229,497.90 × 74,266.60
  4. Step 4: Simplify right side
    152,998.60x = 17,044,028,740.14
  5. Step 5: Solve for x
    x = 17,044,028,740.14/152,998.60
  6. Step 6: Final answer
    x = 111,399.90

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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.