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Finding the Fourth Proportional to 358,099.31, 537,034.85 and 118,168.50

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Solution

The fourth proportional to 358,099.31, 537,034.85 and 118,168.50 is: 177,215.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,099.31 : 537,034.85 = 118,168.50 : x
  2. Step 2: Convert to fraction form
    358,099.31/537,034.85 = 118,168.50/x
  3. Step 3: Cross multiply
    358,099.31x = 537,034.85 × 118,168.50
  4. Step 4: Simplify right side
    358,099.31x = 63,460,600,339.51
  5. Step 5: Solve for x
    x = 63,460,600,339.51/358,099.31
  6. Step 6: Final answer
    x = 177,215.09

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1.5x scale

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.