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Finding the Fourth Proportional to 352,606.35, 528,899.16 and 99,886.35

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Solution

The fourth proportional to 352,606.35, 528,899.16 and 99,886.35 is: 149,826.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,606.35 : 528,899.16 = 99,886.35 : x
  2. Step 2: Convert to fraction form
    352,606.35/528,899.16 = 99,886.35/x
  3. Step 3: Cross multiply
    352,606.35x = 528,899.16 × 99,886.35
  4. Step 4: Simplify right side
    352,606.35x = 52,829,806,610.47
  5. Step 5: Solve for x
    x = 52,829,806,610.47/352,606.35
  6. Step 6: Final answer
    x = 149,826.59

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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.