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Finding the Fourth Proportional to 163,641.80, 245,606.70 and 96,998.60

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Solution

The fourth proportional to 163,641.80, 245,606.70 and 96,998.60 is: 145,583.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,641.80 : 245,606.70 = 96,998.60 : x
  2. Step 2: Convert to fraction form
    163,641.80/245,606.70 = 96,998.60/x
  3. Step 3: Cross multiply
    163,641.80x = 245,606.70 × 96,998.60
  4. Step 4: Simplify right side
    163,641.80x = 23,823,506,050.62
  5. Step 5: Solve for x
    x = 23,823,506,050.62/163,641.80
  6. Step 6: Final answer
    x = 145,583.26

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1.5x scale

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.