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Finding the Fourth Proportional to 354,702.90, 532,059.03 and 118,045.62

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Solution

The fourth proportional to 354,702.90, 532,059.03 and 118,045.62 is: 177,069.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,702.90 : 532,059.03 = 118,045.62 : x
  2. Step 2: Convert to fraction form
    354,702.90/532,059.03 = 118,045.62/x
  3. Step 3: Cross multiply
    354,702.90x = 532,059.03 × 118,045.62
  4. Step 4: Simplify right side
    354,702.90x = 62,807,238,072.95
  5. Step 5: Solve for x
    x = 62,807,238,072.95/354,702.90
  6. Step 6: Final answer
    x = 177,069.99

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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.