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Finding the Fourth Proportional to 118,607.80, 177,911.88 and 29,861.32

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Solution

The fourth proportional to 118,607.80, 177,911.88 and 29,861.32 is: 44,792.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,607.80 : 177,911.88 = 29,861.32 : x
  2. Step 2: Convert to fraction form
    118,607.80/177,911.88 = 29,861.32/x
  3. Step 3: Cross multiply
    118,607.80x = 177,911.88 × 29,861.32
  4. Step 4: Simplify right side
    118,607.80x = 5,312,683,580.48
  5. Step 5: Solve for x
    x = 5,312,683,580.48/118,607.80
  6. Step 6: Final answer
    x = 44,792.03

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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.