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Finding the Fourth Proportional to 161,125.83, 241,671.74 and 42,809.13

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Solution

The fourth proportional to 161,125.83, 241,671.74 and 42,809.13 is: 64,209.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,125.83 : 241,671.74 = 42,809.13 : x
  2. Step 2: Convert to fraction form
    161,125.83/241,671.74 = 42,809.13/x
  3. Step 3: Cross multiply
    161,125.83x = 241,671.74 × 42,809.13
  4. Step 4: Simplify right side
    161,125.83x = 10,345,756,720.94
  5. Step 5: Solve for x
    x = 10,345,756,720.94/161,125.83
  6. Step 6: Final answer
    x = 64,209.18

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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.