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Finding the Fourth Proportional to 118,191.42, 177,263.37 and 39,282.30

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Solution

The fourth proportional to 118,191.42, 177,263.37 and 39,282.30 is: 58,915.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,191.42 : 177,263.37 = 39,282.30 : x
  2. Step 2: Convert to fraction form
    118,191.42/177,263.37 = 39,282.30/x
  3. Step 3: Cross multiply
    118,191.42x = 177,263.37 × 39,282.30
  4. Step 4: Simplify right side
    118,191.42x = 6,963,312,879.35
  5. Step 5: Solve for x
    x = 6,963,312,879.35/118,191.42
  6. Step 6: Final answer
    x = 58,915.55

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1.5x scale

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.