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Finding the Fourth Proportional to 251,756.48, 347,457.12 and 151,160.96

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Solution

The fourth proportional to 251,756.48, 347,457.12 and 151,160.96 is: 208,622.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,756.48 : 347,457.12 = 151,160.96 : x
  2. Step 2: Convert to fraction form
    251,756.48/347,457.12 = 151,160.96/x
  3. Step 3: Cross multiply
    251,756.48x = 347,457.12 × 151,160.96
  4. Step 4: Simplify right side
    251,756.48x = 52,521,951,818.04
  5. Step 5: Solve for x
    x = 52,521,951,818.04/251,756.48
  6. Step 6: Final answer
    x = 208,622.05

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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.