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Finding the Fourth Proportional to 236,471.04, 326,337 and 129,048.03

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Solution

The fourth proportional to 236,471.04, 326,337 and 129,048.03 is: 178,090.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,471.04 : 326,337 = 129,048.03 : x
  2. Step 2: Convert to fraction form
    236,471.04/326,337 = 129,048.03/x
  3. Step 3: Cross multiply
    236,471.04x = 326,337 × 129,048.03
  4. Step 4: Simplify right side
    236,471.04x = 42,113,146,966.11
  5. Step 5: Solve for x
    x = 42,113,146,966.11/236,471.04
  6. Step 6: Final answer
    x = 178,090.08

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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.