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Finding the Fourth Proportional to 175,036.60, 262,457.70 and 69,736.60

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Solution

The fourth proportional to 175,036.60, 262,457.70 and 69,736.60 is: 104,566.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,036.60 : 262,457.70 = 69,736.60 : x
  2. Step 2: Convert to fraction form
    175,036.60/262,457.70 = 69,736.60/x
  3. Step 3: Cross multiply
    175,036.60x = 262,457.70 × 69,736.60
  4. Step 4: Simplify right side
    175,036.60x = 18,302,907,641.82
  5. Step 5: Solve for x
    x = 18,302,907,641.82/175,036.60
  6. Step 6: Final answer
    x = 104,566.17

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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.