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Finding the Fourth Proportional to 176,974.51, 244,225.16 and 105,357.01

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Solution

The fourth proportional to 176,974.51, 244,225.16 and 105,357.01 is: 145,392.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,974.51 : 244,225.16 = 105,357.01 : x
  2. Step 2: Convert to fraction form
    176,974.51/244,225.16 = 105,357.01/x
  3. Step 3: Cross multiply
    176,974.51x = 244,225.16 × 105,357.01
  4. Step 4: Simplify right side
    176,974.51x = 25,730,832,624.37
  5. Step 5: Solve for x
    x = 25,730,832,624.37/176,974.51
  6. Step 6: Final answer
    x = 145,392.87

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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.