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Finding the Fourth Proportional to 189,088.01, 260,940.04 and 104,205.07

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Solution

The fourth proportional to 189,088.01, 260,940.04 and 104,205.07 is: 143,802.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,088.01 : 260,940.04 = 104,205.07 : x
  2. Step 2: Convert to fraction form
    189,088.01/260,940.04 = 104,205.07/x
  3. Step 3: Cross multiply
    189,088.01x = 260,940.04 × 104,205.07
  4. Step 4: Simplify right side
    189,088.01x = 27,191,275,134.00
  5. Step 5: Solve for x
    x = 27,191,275,134.00/189,088.01
  6. Step 6: Final answer
    x = 143,802.22

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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.