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Finding the Fourth Proportional to 242,707.17, 334,779.53 and 161,033.65

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Solution

The fourth proportional to 242,707.17, 334,779.53 and 161,033.65 is: 222,122.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,707.17 : 334,779.53 = 161,033.65 : x
  2. Step 2: Convert to fraction form
    242,707.17/334,779.53 = 161,033.65/x
  3. Step 3: Cross multiply
    242,707.17x = 334,779.53 × 161,033.65
  4. Step 4: Simplify right side
    242,707.17x = 53,910,769,661.18
  5. Step 5: Solve for x
    x = 53,910,769,661.18/242,707.17
  6. Step 6: Final answer
    x = 222,122.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.