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Finding the Fourth Proportional to 152,601.88, 228,607.62 and 85,839.16

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Solution

The fourth proportional to 152,601.88, 228,607.62 and 85,839.16 is: 128,592.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,601.88 : 228,607.62 = 85,839.16 : x
  2. Step 2: Convert to fraction form
    152,601.88/228,607.62 = 85,839.16/x
  3. Step 3: Cross multiply
    152,601.88x = 228,607.62 × 85,839.16
  4. Step 4: Simplify right side
    152,601.88x = 19,623,486,070.40
  5. Step 5: Solve for x
    x = 19,623,486,070.40/152,601.88
  6. Step 6: Final answer
    x = 128,592.69

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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.