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Finding the Fourth Proportional to 272,931, 376,647.22 and 159,756.18

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Solution

The fourth proportional to 272,931, 376,647.22 and 159,756.18 is: 220,464.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,931 : 376,647.22 = 159,756.18 : x
  2. Step 2: Convert to fraction form
    272,931/376,647.22 = 159,756.18/x
  3. Step 3: Cross multiply
    272,931x = 376,647.22 × 159,756.18
  4. Step 4: Simplify right side
    272,931x = 60,171,721,074.82
  5. Step 5: Solve for x
    x = 60,171,721,074.82/272,931
  6. Step 6: Final answer
    x = 220,464.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.