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Finding the Fourth Proportional to 468,037.80, 702,056.70 and 168,856.20

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Solution

The fourth proportional to 468,037.80, 702,056.70 and 168,856.20 is: 253,284.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,037.80 : 702,056.70 = 168,856.20 : x
  2. Step 2: Convert to fraction form
    468,037.80/702,056.70 = 168,856.20/x
  3. Step 3: Cross multiply
    468,037.80x = 702,056.70 × 168,856.20
  4. Step 4: Simplify right side
    468,037.80x = 118,546,626,546.54
  5. Step 5: Solve for x
    x = 118,546,626,546.54/468,037.80
  6. Step 6: Final answer
    x = 253,284.30

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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.