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Finding the Fourth Proportional to 254,118.60, 350,624.87 and 152,105.31

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Solution

The fourth proportional to 254,118.60, 350,624.87 and 152,105.31 is: 209,870.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,118.60 : 350,624.87 = 152,105.31 : x
  2. Step 2: Convert to fraction form
    254,118.60/350,624.87 = 152,105.31/x
  3. Step 3: Cross multiply
    254,118.60x = 350,624.87 × 152,105.31
  4. Step 4: Simplify right side
    254,118.60x = 53,331,903,784.53
  5. Step 5: Solve for x
    x = 53,331,903,784.53/254,118.60
  6. Step 6: Final answer
    x = 209,870.13

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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.