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Finding the Fourth Proportional to 272,492.37, 408,766.43 and 104,154.39

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Solution

The fourth proportional to 272,492.37, 408,766.43 and 104,154.39 is: 156,242.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,492.37 : 408,766.43 = 104,154.39 : x
  2. Step 2: Convert to fraction form
    272,492.37/408,766.43 = 104,154.39/x
  3. Step 3: Cross multiply
    272,492.37x = 408,766.43 × 104,154.39
  4. Step 4: Simplify right side
    272,492.37x = 42,574,818,429.51
  5. Step 5: Solve for x
    x = 42,574,818,429.51/272,492.37
  6. Step 6: Final answer
    x = 156,242.24

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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.