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Finding the Fourth Proportional to 117,009.55, 175,514.33 and 97,326.55

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Solution

The fourth proportional to 117,009.55, 175,514.33 and 97,326.55 is: 145,989.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,009.55 : 175,514.33 = 97,326.55 : x
  2. Step 2: Convert to fraction form
    117,009.55/175,514.33 = 97,326.55/x
  3. Step 3: Cross multiply
    117,009.55x = 175,514.33 × 97,326.55
  4. Step 4: Simplify right side
    117,009.55x = 17,082,204,214.46
  5. Step 5: Solve for x
    x = 17,082,204,214.46/117,009.55
  6. Step 6: Final answer
    x = 145,989.83

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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.