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Finding the Fourth Proportional to 352,600, 528,900.04 and 89,944

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Solution

The fourth proportional to 352,600, 528,900.04 and 89,944 is: 134,916.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,600 : 528,900.04 = 89,944 : x
  2. Step 2: Convert to fraction form
    352,600/528,900.04 = 89,944/x
  3. Step 3: Cross multiply
    352,600x = 528,900.04 × 89,944
  4. Step 4: Simplify right side
    352,600x = 47,571,385,197.76
  5. Step 5: Solve for x
    x = 47,571,385,197.76/352,600
  6. Step 6: Final answer
    x = 134,916.01

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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.