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Finding the Fourth Proportional to 116,355, 174,532.50 and 37,477.20

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Solution

The fourth proportional to 116,355, 174,532.50 and 37,477.20 is: 56,215.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,355 : 174,532.50 = 37,477.20 : x
  2. Step 2: Convert to fraction form
    116,355/174,532.50 = 37,477.20/x
  3. Step 3: Cross multiply
    116,355x = 174,532.50 × 37,477.20
  4. Step 4: Simplify right side
    116,355x = 6,540,989,409.00
  5. Step 5: Solve for x
    x = 6,540,989,409.00/116,355
  6. Step 6: Final answer
    x = 56,215.80

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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.