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Finding the Fourth Proportional to 234,907.77, 324,172.93 and 127,477.80

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Solution

The fourth proportional to 234,907.77, 324,172.93 and 127,477.80 is: 175,919.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,907.77 : 324,172.93 = 127,477.80 : x
  2. Step 2: Convert to fraction form
    234,907.77/324,172.93 = 127,477.80/x
  3. Step 3: Cross multiply
    234,907.77x = 324,172.93 × 127,477.80
  4. Step 4: Simplify right side
    234,907.77x = 41,324,849,677.70
  5. Step 5: Solve for x
    x = 41,324,849,677.70/234,907.77
  6. Step 6: Final answer
    x = 175,919.47

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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.