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Finding the Fourth Proportional to 161,779.30, 242,596.05 and 61,906.30

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Solution

The fourth proportional to 161,779.30, 242,596.05 and 61,906.30 is: 92,831.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,779.30 : 242,596.05 = 61,906.30 : x
  2. Step 2: Convert to fraction form
    161,779.30/242,596.05 = 61,906.30/x
  3. Step 3: Cross multiply
    161,779.30x = 242,596.05 × 61,906.30
  4. Step 4: Simplify right side
    161,779.30x = 15,018,223,850.12
  5. Step 5: Solve for x
    x = 15,018,223,850.12/161,779.30
  6. Step 6: Final answer
    x = 92,831.55

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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.