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Finding the Fourth Proportional to 161,855.15, 242,830.10 and 83,024.33

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Solution

The fourth proportional to 161,855.15, 242,830.10 and 83,024.33 is: 124,560.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,855.15 : 242,830.10 = 83,024.33 : x
  2. Step 2: Convert to fraction form
    161,855.15/242,830.10 = 83,024.33/x
  3. Step 3: Cross multiply
    161,855.15x = 242,830.10 × 83,024.33
  4. Step 4: Simplify right side
    161,855.15x = 20,160,805,349.74
  5. Step 5: Solve for x
    x = 20,160,805,349.74/161,855.15
  6. Step 6: Final answer
    x = 124,560.79

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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.