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Finding the Fourth Proportional to 161,897.40, 242,846.10 and 155,676.60

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Solution

The fourth proportional to 161,897.40, 242,846.10 and 155,676.60 is: 233,514.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,897.40 : 242,846.10 = 155,676.60 : x
  2. Step 2: Convert to fraction form
    161,897.40/242,846.10 = 155,676.60/x
  3. Step 3: Cross multiply
    161,897.40x = 242,846.10 × 155,676.60
  4. Step 4: Simplify right side
    161,897.40x = 37,805,455,171.26
  5. Step 5: Solve for x
    x = 37,805,455,171.26/161,897.40
  6. Step 6: Final answer
    x = 233,514.90

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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.