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Finding the Fourth Proportional to 163,607.80, 245,555.70 and 96,964.60

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Solution

The fourth proportional to 163,607.80, 245,555.70 and 96,964.60 is: 145,532.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,607.80 : 245,555.70 = 96,964.60 : x
  2. Step 2: Convert to fraction form
    163,607.80/245,555.70 = 96,964.60/x
  3. Step 3: Cross multiply
    163,607.80x = 245,555.70 × 96,964.60
  4. Step 4: Simplify right side
    163,607.80x = 23,810,210,228.22
  5. Step 5: Solve for x
    x = 23,810,210,228.22/163,607.80
  6. Step 6: Final answer
    x = 145,532.24

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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.