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Finding the Fourth Proportional to 189,083.69, 260,940.96 and 104,206.22

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Solution

The fourth proportional to 189,083.69, 260,940.96 and 104,206.22 is: 143,807.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,083.69 : 260,940.96 = 104,206.22 : x
  2. Step 2: Convert to fraction form
    189,083.69/260,940.96 = 104,206.22/x
  3. Step 3: Cross multiply
    189,083.69x = 260,940.96 × 104,206.22
  4. Step 4: Simplify right side
    189,083.69x = 27,191,671,084.77
  5. Step 5: Solve for x
    x = 27,191,671,084.77/189,083.69
  6. Step 6: Final answer
    x = 143,807.60

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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.