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Finding the Fourth Proportional to 120,673.74, 181,036.53 and 36,440.22

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Solution

The fourth proportional to 120,673.74, 181,036.53 and 36,440.22 is: 54,668.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,673.74 : 181,036.53 = 36,440.22 : x
  2. Step 2: Convert to fraction form
    120,673.74/181,036.53 = 36,440.22/x
  3. Step 3: Cross multiply
    120,673.74x = 181,036.53 × 36,440.22
  4. Step 4: Simplify right side
    120,673.74x = 6,597,010,981.24
  5. Step 5: Solve for x
    x = 6,597,010,981.24/120,673.74
  6. Step 6: Final answer
    x = 54,668.16

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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.