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Finding the Fourth Proportional to 156,136, 234,233.60 and 62,649.12

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Solution

The fourth proportional to 156,136, 234,233.60 and 62,649.12 is: 93,985.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,136 : 234,233.60 = 62,649.12 : x
  2. Step 2: Convert to fraction form
    156,136/234,233.60 = 62,649.12/x
  3. Step 3: Cross multiply
    156,136x = 234,233.60 × 62,649.12
  4. Step 4: Simplify right side
    156,136x = 14,674,528,914.43
  5. Step 5: Solve for x
    x = 14,674,528,914.43/156,136
  6. Step 6: Final answer
    x = 93,985.56

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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.