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Finding the Fourth Proportional to 368,032.17, 552,048.21 and 118,714.17

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Solution

The fourth proportional to 368,032.17, 552,048.21 and 118,714.17 is: 178,071.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,032.17 : 552,048.21 = 118,714.17 : x
  2. Step 2: Convert to fraction form
    368,032.17/552,048.21 = 118,714.17/x
  3. Step 3: Cross multiply
    368,032.17x = 552,048.21 × 118,714.17
  4. Step 4: Simplify right side
    368,032.17x = 65,535,945,050.14
  5. Step 5: Solve for x
    x = 65,535,945,050.14/368,032.17
  6. Step 6: Final answer
    x = 178,071.24

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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.