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Finding the Fourth Proportional to 229,683.96, 316,983.24 and 127,716.84

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Solution

The fourth proportional to 229,683.96, 316,983.24 and 127,716.84 is: 176,260.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,683.96 : 316,983.24 = 127,716.84 : x
  2. Step 2: Convert to fraction form
    229,683.96/316,983.24 = 127,716.84/x
  3. Step 3: Cross multiply
    229,683.96x = 316,983.24 × 127,716.84
  4. Step 4: Simplify right side
    229,683.96x = 40,484,097,745.76
  5. Step 5: Solve for x
    x = 40,484,097,745.76/229,683.96
  6. Step 6: Final answer
    x = 176,260.01

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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.