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Finding the Fourth Proportional to 185,009.39, 277,514.14 and 65,154.84

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Solution

The fourth proportional to 185,009.39, 277,514.14 and 65,154.84 is: 97,732.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,009.39 : 277,514.14 = 65,154.84 : x
  2. Step 2: Convert to fraction form
    185,009.39/277,514.14 = 65,154.84/x
  3. Step 3: Cross multiply
    185,009.39x = 277,514.14 × 65,154.84
  4. Step 4: Simplify right side
    185,009.39x = 18,081,389,389.44
  5. Step 5: Solve for x
    x = 18,081,389,389.44/185,009.39
  6. Step 6: Final answer
    x = 97,732.28

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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.