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Finding the Fourth Proportional to 156,404.84, 234,607.30 and 56,562.80

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Solution

The fourth proportional to 156,404.84, 234,607.30 and 56,562.80 is: 84,844.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,404.84 : 234,607.30 = 56,562.80 : x
  2. Step 2: Convert to fraction form
    156,404.84/234,607.30 = 56,562.80/x
  3. Step 3: Cross multiply
    156,404.84x = 234,607.30 × 56,562.80
  4. Step 4: Simplify right side
    156,404.84x = 13,270,044,474.00
  5. Step 5: Solve for x
    x = 13,270,044,474.00/156,404.84
  6. Step 6: Final answer
    x = 84,844.21

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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.