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Finding the Fourth Proportional to 161,636.01, 223,056.45 and 93,651.51

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Solution

The fourth proportional to 161,636.01, 223,056.45 and 93,651.51 is: 129,238.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,636.01 : 223,056.45 = 93,651.51 : x
  2. Step 2: Convert to fraction form
    161,636.01/223,056.45 = 93,651.51/x
  3. Step 3: Cross multiply
    161,636.01x = 223,056.45 × 93,651.51
  4. Step 4: Simplify right side
    161,636.01x = 20,889,573,357.74
  5. Step 5: Solve for x
    x = 20,889,573,357.74/161,636.01
  6. Step 6: Final answer
    x = 129,238.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.