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Finding the Fourth Proportional to 228,166.08, 314,861.28 and 127,563.84

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Solution

The fourth proportional to 228,166.08, 314,861.28 and 127,563.84 is: 176,033.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,166.08 : 314,861.28 = 127,563.84 : x
  2. Step 2: Convert to fraction form
    228,166.08/314,861.28 = 127,563.84/x
  3. Step 3: Cross multiply
    228,166.08x = 314,861.28 × 127,563.84
  4. Step 4: Simplify right side
    228,166.08x = 40,164,913,944.12
  5. Step 5: Solve for x
    x = 40,164,913,944.12/228,166.08
  6. Step 6: Final answer
    x = 176,033.68

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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.