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Finding the Fourth Proportional to 178,707.61, 246,661.13 and 110,683.81

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Solution

The fourth proportional to 178,707.61, 246,661.13 and 110,683.81 is: 152,771.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,707.61 : 246,661.13 = 110,683.81 : x
  2. Step 2: Convert to fraction form
    178,707.61/246,661.13 = 110,683.81/x
  3. Step 3: Cross multiply
    178,707.61x = 246,661.13 × 110,683.81
  4. Step 4: Simplify right side
    178,707.61x = 27,301,392,477.23
  5. Step 5: Solve for x
    x = 27,301,392,477.23/178,707.61
  6. Step 6: Final answer
    x = 152,771.29

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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.