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Finding the Fourth Proportional to 152,480.70, 210,299.09 and 107,308.35

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Solution

The fourth proportional to 152,480.70, 210,299.09 and 107,308.35 is: 147,998.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,480.70 : 210,299.09 = 107,308.35 : x
  2. Step 2: Convert to fraction form
    152,480.70/210,299.09 = 107,308.35/x
  3. Step 3: Cross multiply
    152,480.70x = 210,299.09 × 107,308.35
  4. Step 4: Simplify right side
    152,480.70x = 22,566,847,817.86
  5. Step 5: Solve for x
    x = 22,566,847,817.86/152,480.70
  6. Step 6: Final answer
    x = 147,998.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.