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Finding the Fourth Proportional to 170,946.49, 256,430.67 and 65,765.46

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Solution

The fourth proportional to 170,946.49, 256,430.67 and 65,765.46 is: 98,652.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,946.49 : 256,430.67 = 65,765.46 : x
  2. Step 2: Convert to fraction form
    170,946.49/256,430.67 = 65,765.46/x
  3. Step 3: Cross multiply
    170,946.49x = 256,430.67 × 65,765.46
  4. Step 4: Simplify right side
    170,946.49x = 16,864,280,970.66
  5. Step 5: Solve for x
    x = 16,864,280,970.66/170,946.49
  6. Step 6: Final answer
    x = 98,652.40

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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.