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Finding the Fourth Proportional to 156,725, 235,087.02 and 56,885.08

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Solution

The fourth proportional to 156,725, 235,087.02 and 56,885.08 is: 85,327.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,725 : 235,087.02 = 56,885.08 : x
  2. Step 2: Convert to fraction form
    156,725/235,087.02 = 56,885.08/x
  3. Step 3: Cross multiply
    156,725x = 235,087.02 × 56,885.08
  4. Step 4: Simplify right side
    156,725x = 13,372,943,939.66
  5. Step 5: Solve for x
    x = 13,372,943,939.66/156,725
  6. Step 6: Final answer
    x = 85,327.45

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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.