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Finding the Fourth Proportional to 119,009.25, 178,521.17 and 35,903.25

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Solution

The fourth proportional to 119,009.25, 178,521.17 and 35,903.25 is: 53,857.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,009.25 : 178,521.17 = 35,903.25 : x
  2. Step 2: Convert to fraction form
    119,009.25/178,521.17 = 35,903.25/x
  3. Step 3: Cross multiply
    119,009.25x = 178,521.17 × 35,903.25
  4. Step 4: Simplify right side
    119,009.25x = 6,409,490,017.29
  5. Step 5: Solve for x
    x = 6,409,490,017.29/119,009.25
  6. Step 6: Final answer
    x = 53,857.07

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.