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Finding the Fourth Proportional to 370,858.61, 556,103.86 and 118,106.14

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Solution

The fourth proportional to 370,858.61, 556,103.86 and 118,106.14 is: 177,100.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,858.61 : 556,103.86 = 118,106.14 : x
  2. Step 2: Convert to fraction form
    370,858.61/556,103.86 = 118,106.14/x
  3. Step 3: Cross multiply
    370,858.61x = 556,103.86 × 118,106.14
  4. Step 4: Simplify right side
    370,858.61x = 65,679,280,343.70
  5. Step 5: Solve for x
    x = 65,679,280,343.70/370,858.61
  6. Step 6: Final answer
    x = 177,100.59

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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.