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Finding the Fourth Proportional to 189,717.84, 261,802.22 and 104,833.08

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Solution

The fourth proportional to 189,717.84, 261,802.22 and 104,833.08 is: 144,665.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,717.84 : 261,802.22 = 104,833.08 : x
  2. Step 2: Convert to fraction form
    189,717.84/261,802.22 = 104,833.08/x
  3. Step 3: Cross multiply
    189,717.84x = 261,802.22 × 104,833.08
  4. Step 4: Simplify right side
    189,717.84x = 27,445,532,549.27
  5. Step 5: Solve for x
    x = 27,445,532,549.27/189,717.84
  6. Step 6: Final answer
    x = 144,665.01

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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.