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Finding the Fourth Proportional to 228,547.96, 342,951.54 and 123,364.60

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Solution

The fourth proportional to 228,547.96, 342,951.54 and 123,364.60 is: 185,116.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,547.96 : 342,951.54 = 123,364.60 : x
  2. Step 2: Convert to fraction form
    228,547.96/342,951.54 = 123,364.60/x
  3. Step 3: Cross multiply
    228,547.96x = 342,951.54 × 123,364.60
  4. Step 4: Simplify right side
    228,547.96x = 42,308,079,551.48
  5. Step 5: Solve for x
    x = 42,308,079,551.48/228,547.96
  6. Step 6: Final answer
    x = 185,116.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.