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Finding the Fourth Proportional to 152,600.88, 228,606.12 and 85,838.16

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Solution

The fourth proportional to 152,600.88, 228,606.12 and 85,838.16 is: 128,591.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,600.88 : 228,606.12 = 85,838.16 : x
  2. Step 2: Convert to fraction form
    152,600.88/228,606.12 = 85,838.16/x
  3. Step 3: Cross multiply
    152,600.88x = 228,606.12 × 85,838.16
  4. Step 4: Simplify right side
    152,600.88x = 19,623,128,705.54
  5. Step 5: Solve for x
    x = 19,623,128,705.54/152,600.88
  6. Step 6: Final answer
    x = 128,591.19

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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.