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Finding the Fourth Proportional to 228,201.22, 314,919.66 and 127,599.22

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Solution

The fourth proportional to 228,201.22, 314,919.66 and 127,599.22 is: 176,088.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,201.22 : 314,919.66 = 127,599.22 : x
  2. Step 2: Convert to fraction form
    228,201.22/314,919.66 = 127,599.22/x
  3. Step 3: Cross multiply
    228,201.22x = 314,919.66 × 127,599.22
  4. Step 4: Simplify right side
    228,201.22x = 40,183,502,978.67
  5. Step 5: Solve for x
    x = 40,183,502,978.67/228,201.22
  6. Step 6: Final answer
    x = 176,088.03

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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.