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Finding the Fourth Proportional to 156,846.48, 235,269.72 and 56,988.06

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Solution

The fourth proportional to 156,846.48, 235,269.72 and 56,988.06 is: 85,482.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,846.48 : 235,269.72 = 56,988.06 : x
  2. Step 2: Convert to fraction form
    156,846.48/235,269.72 = 56,988.06/x
  3. Step 3: Cross multiply
    156,846.48x = 235,269.72 × 56,988.06
  4. Step 4: Simplify right side
    156,846.48x = 13,407,564,919.54
  5. Step 5: Solve for x
    x = 13,407,564,919.54/156,846.48
  6. Step 6: Final answer
    x = 85,482.09

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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.