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Finding the Fourth Proportional to 228,145.86, 314,851.60 and 127,543.86

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Solution

The fourth proportional to 228,145.86, 314,851.60 and 127,543.86 is: 176,016.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,145.86 : 314,851.60 = 127,543.86 : x
  2. Step 2: Convert to fraction form
    228,145.86/314,851.60 = 127,543.86/x
  3. Step 3: Cross multiply
    228,145.86x = 314,851.60 × 127,543.86
  4. Step 4: Simplify right side
    228,145.86x = 40,157,388,391.18
  5. Step 5: Solve for x
    x = 40,157,388,391.18/228,145.86
  6. Step 6: Final answer
    x = 176,016.29

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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.