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Finding the Fourth Proportional to 163,400.10, 245,100.15 and 96,805.95

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Solution

The fourth proportional to 163,400.10, 245,100.15 and 96,805.95 is: 145,208.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,400.10 : 245,100.15 = 96,805.95 : x
  2. Step 2: Convert to fraction form
    163,400.10/245,100.15 = 96,805.95/x
  3. Step 3: Cross multiply
    163,400.10x = 245,100.15 × 96,805.95
  4. Step 4: Simplify right side
    163,400.10x = 23,727,152,865.89
  5. Step 5: Solve for x
    x = 23,727,152,865.89/163,400.10
  6. Step 6: Final answer
    x = 145,208.93

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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.