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Finding the Fourth Proportional to 180,036, 248,446.74 and 99,466.92

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Solution

The fourth proportional to 180,036, 248,446.74 and 99,466.92 is: 137,262.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,036 : 248,446.74 = 99,466.92 : x
  2. Step 2: Convert to fraction form
    180,036/248,446.74 = 99,466.92/x
  3. Step 3: Cross multiply
    180,036x = 248,446.74 × 99,466.92
  4. Step 4: Simplify right side
    180,036x = 24,712,232,011.84
  5. Step 5: Solve for x
    x = 24,712,232,011.84/180,036
  6. Step 6: Final answer
    x = 137,262.73

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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.