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Finding the Fourth Proportional to 453,883.92, 680,899.80 and 134,068.24

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Solution

The fourth proportional to 453,883.92, 680,899.80 and 134,068.24 is: 201,124.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,883.92 : 680,899.80 = 134,068.24 : x
  2. Step 2: Convert to fraction form
    453,883.92/680,899.80 = 134,068.24/x
  3. Step 3: Cross multiply
    453,883.92x = 680,899.80 × 134,068.24
  4. Step 4: Simplify right side
    453,883.92x = 91,287,037,802.35
  5. Step 5: Solve for x
    x = 91,287,037,802.35/453,883.92
  6. Step 6: Final answer
    x = 201,124.19

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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.