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Finding the Fourth Proportional to 192,095.16, 264,774.06 and 128,409.72

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Solution

The fourth proportional to 192,095.16, 264,774.06 and 128,409.72 is: 176,993.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,095.16 : 264,774.06 = 128,409.72 : x
  2. Step 2: Convert to fraction form
    192,095.16/264,774.06 = 128,409.72/x
  3. Step 3: Cross multiply
    192,095.16x = 264,774.06 × 128,409.72
  4. Step 4: Simplify right side
    192,095.16x = 33,999,562,907.86
  5. Step 5: Solve for x
    x = 33,999,562,907.86/192,095.16
  6. Step 6: Final answer
    x = 176,993.33

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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.