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Finding the Fourth Proportional to 175,250.60, 262,875.90 and 128,594.60

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Solution

The fourth proportional to 175,250.60, 262,875.90 and 128,594.60 is: 192,891.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,250.60 : 262,875.90 = 128,594.60 : x
  2. Step 2: Convert to fraction form
    175,250.60/262,875.90 = 128,594.60/x
  3. Step 3: Cross multiply
    175,250.60x = 262,875.90 × 128,594.60
  4. Step 4: Simplify right side
    175,250.60x = 33,804,421,210.14
  5. Step 5: Solve for x
    x = 33,804,421,210.14/175,250.60
  6. Step 6: Final answer
    x = 192,891.90

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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.