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Finding the Fourth Proportional to 118,130.91, 177,270.09 and 48,010.20

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Solution

The fourth proportional to 118,130.91, 177,270.09 and 48,010.20 is: 72,045.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,130.91 : 177,270.09 = 48,010.20 : x
  2. Step 2: Convert to fraction form
    118,130.91/177,270.09 = 48,010.20/x
  3. Step 3: Cross multiply
    118,130.91x = 177,270.09 × 48,010.20
  4. Step 4: Simplify right side
    118,130.91x = 8,510,772,474.92
  5. Step 5: Solve for x
    x = 8,510,772,474.92/118,130.91
  6. Step 6: Final answer
    x = 72,045.26

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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.