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Finding the Fourth Proportional to 161,465.58, 243,714.96 and 161,465.58

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Solution

The fourth proportional to 161,465.58, 243,714.96 and 161,465.58 is: 243,714.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,465.58 : 243,714.96 = 161,465.58 : x
  2. Step 2: Convert to fraction form
    161,465.58/243,714.96 = 161,465.58/x
  3. Step 3: Cross multiply
    161,465.58x = 243,714.96 × 161,465.58
  4. Step 4: Simplify right side
    161,465.58x = 39,351,577,371.08
  5. Step 5: Solve for x
    x = 39,351,577,371.08/161,465.58
  6. Step 6: Final answer
    x = 243,714.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.