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Finding the Fourth Proportional to 228,133.60, 314,818.72 and 126,164.76

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Solution

The fourth proportional to 228,133.60, 314,818.72 and 126,164.76 is: 174,104.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,133.60 : 314,818.72 = 126,164.76 : x
  2. Step 2: Convert to fraction form
    228,133.60/314,818.72 = 126,164.76/x
  3. Step 3: Cross multiply
    228,133.60x = 314,818.72 × 126,164.76
  4. Step 4: Simplify right side
    228,133.60x = 39,719,028,252.31
  5. Step 5: Solve for x
    x = 39,719,028,252.31/228,133.60
  6. Step 6: Final answer
    x = 174,104.25

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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.