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Finding the Fourth Proportional to 448,475.56, 672,715.77 and 116,051.56

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Solution

The fourth proportional to 448,475.56, 672,715.77 and 116,051.56 is: 174,077.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,475.56 : 672,715.77 = 116,051.56 : x
  2. Step 2: Convert to fraction form
    448,475.56/672,715.77 = 116,051.56/x
  3. Step 3: Cross multiply
    448,475.56x = 672,715.77 × 116,051.56
  4. Step 4: Simplify right side
    448,475.56x = 78,069,712,428.12
  5. Step 5: Solve for x
    x = 78,069,712,428.12/448,475.56
  6. Step 6: Final answer
    x = 174,077.97

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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.