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Finding the Fourth Proportional to 358,164.78, 537,131.32 and 118,224.78

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Solution

The fourth proportional to 358,164.78, 537,131.32 and 118,224.78 is: 177,298.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,164.78 : 537,131.32 = 118,224.78 : x
  2. Step 2: Convert to fraction form
    358,164.78/537,131.32 = 118,224.78/x
  3. Step 3: Cross multiply
    358,164.78x = 537,131.32 × 118,224.78
  4. Step 4: Simplify right side
    358,164.78x = 63,502,232,138.11
  5. Step 5: Solve for x
    x = 63,502,232,138.11/358,164.78
  6. Step 6: Final answer
    x = 177,298.93

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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.