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Finding the Fourth Proportional to 118,407.46, 177,607.08 and 29,661.72

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Solution

The fourth proportional to 118,407.46, 177,607.08 and 29,661.72 is: 44,491.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,407.46 : 177,607.08 = 29,661.72 : x
  2. Step 2: Convert to fraction form
    118,407.46/177,607.08 = 29,661.72/x
  3. Step 3: Cross multiply
    118,407.46x = 177,607.08 × 29,661.72
  4. Step 4: Simplify right side
    118,407.46x = 5,268,131,476.98
  5. Step 5: Solve for x
    x = 5,268,131,476.98/118,407.46
  6. Step 6: Final answer
    x = 44,491.55

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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.