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Finding the Fourth Proportional to 161,765.55, 242,675.06 and 73,017.09

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Solution

The fourth proportional to 161,765.55, 242,675.06 and 73,017.09 is: 109,537.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,765.55 : 242,675.06 = 73,017.09 : x
  2. Step 2: Convert to fraction form
    161,765.55/242,675.06 = 73,017.09/x
  3. Step 3: Cross multiply
    161,765.55x = 242,675.06 × 73,017.09
  4. Step 4: Simplify right side
    161,765.55x = 17,719,426,331.69
  5. Step 5: Solve for x
    x = 17,719,426,331.69/161,765.55
  6. Step 6: Final answer
    x = 109,537.70

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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.