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Finding the Fourth Proportional to 161,779.44, 242,669.78 and 49,459.22

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Solution

The fourth proportional to 161,779.44, 242,669.78 and 49,459.22 is: 74,189.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,779.44 : 242,669.78 = 49,459.22 : x
  2. Step 2: Convert to fraction form
    161,779.44/242,669.78 = 49,459.22/x
  3. Step 3: Cross multiply
    161,779.44x = 242,669.78 × 49,459.22
  4. Step 4: Simplify right side
    161,779.44x = 12,002,258,036.37
  5. Step 5: Solve for x
    x = 12,002,258,036.37/161,779.44
  6. Step 6: Final answer
    x = 74,189.02

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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.