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Finding the Fourth Proportional to 161,614.88, 223,013.76 and 119,196.80

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Solution

The fourth proportional to 161,614.88, 223,013.76 and 119,196.80 is: 164,480.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,614.88 : 223,013.76 = 119,196.80 : x
  2. Step 2: Convert to fraction form
    161,614.88/223,013.76 = 119,196.80/x
  3. Step 3: Cross multiply
    161,614.88x = 223,013.76 × 119,196.80
  4. Step 4: Simplify right side
    161,614.88x = 26,582,526,547.97
  5. Step 5: Solve for x
    x = 26,582,526,547.97/161,614.88
  6. Step 6: Final answer
    x = 164,480.69

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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.