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Finding the Fourth Proportional to 358,052, 536,963.34 and 118,112.20

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Solution

The fourth proportional to 358,052, 536,963.34 and 118,112.20 is: 177,130.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,052 : 536,963.34 = 118,112.20 : x
  2. Step 2: Convert to fraction form
    358,052/536,963.34 = 118,112.20/x
  3. Step 3: Cross multiply
    358,052x = 536,963.34 × 118,112.20
  4. Step 4: Simplify right side
    358,052x = 63,421,921,406.75
  5. Step 5: Solve for x
    x = 63,421,921,406.75/358,052
  6. Step 6: Final answer
    x = 177,130.48

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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.