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Finding the Fourth Proportional to 238,993.72, 358,367.04 and 70,492.60

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Solution

The fourth proportional to 238,993.72, 358,367.04 and 70,492.60 is: 105,702.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,993.72 : 358,367.04 = 70,492.60 : x
  2. Step 2: Convert to fraction form
    238,993.72/358,367.04 = 70,492.60/x
  3. Step 3: Cross multiply
    238,993.72x = 358,367.04 × 70,492.60
  4. Step 4: Simplify right side
    238,993.72x = 25,262,224,403.90
  5. Step 5: Solve for x
    x = 25,262,224,403.90/238,993.72
  6. Step 6: Final answer
    x = 105,702.46

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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.