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Finding the Fourth Proportional to 352,114.24, 528,223.68 and 127,491.52

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Solution

The fourth proportional to 352,114.24, 528,223.68 and 127,491.52 is: 191,256.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,114.24 : 528,223.68 = 127,491.52 : x
  2. Step 2: Convert to fraction form
    352,114.24/528,223.68 = 127,491.52/x
  3. Step 3: Cross multiply
    352,114.24x = 528,223.68 × 127,491.52
  4. Step 4: Simplify right side
    352,114.24x = 67,344,039,863.19
  5. Step 5: Solve for x
    x = 67,344,039,863.19/352,114.24
  6. Step 6: Final answer
    x = 191,256.22

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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.