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Finding the Fourth Proportional to 118,525.38, 177,751.02 and 39,621.16

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Solution

The fourth proportional to 118,525.38, 177,751.02 and 39,621.16 is: 59,419.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,525.38 : 177,751.02 = 39,621.16 : x
  2. Step 2: Convert to fraction form
    118,525.38/177,751.02 = 39,621.16/x
  3. Step 3: Cross multiply
    118,525.38x = 177,751.02 × 39,621.16
  4. Step 4: Simplify right side
    118,525.38x = 7,042,701,603.58
  5. Step 5: Solve for x
    x = 7,042,701,603.58/118,525.38
  6. Step 6: Final answer
    x = 59,419.35

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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.