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Finding the Fourth Proportional to 163,009.60, 244,514.40 and 161,972.80

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Solution

The fourth proportional to 163,009.60, 244,514.40 and 161,972.80 is: 242,959.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,009.60 : 244,514.40 = 161,972.80 : x
  2. Step 2: Convert to fraction form
    163,009.60/244,514.40 = 161,972.80/x
  3. Step 3: Cross multiply
    163,009.60x = 244,514.40 × 161,972.80
  4. Step 4: Simplify right side
    163,009.60x = 39,604,682,008.32
  5. Step 5: Solve for x
    x = 39,604,682,008.32/163,009.60
  6. Step 6: Final answer
    x = 242,959.20

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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.