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Finding the Fourth Proportional to 118,352.80, 177,530.10 and 39,466.90

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Solution

The fourth proportional to 118,352.80, 177,530.10 and 39,466.90 is: 59,200.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,352.80 : 177,530.10 = 39,466.90 : x
  2. Step 2: Convert to fraction form
    118,352.80/177,530.10 = 39,466.90/x
  3. Step 3: Cross multiply
    118,352.80x = 177,530.10 × 39,466.90
  4. Step 4: Simplify right side
    118,352.80x = 7,006,562,703.69
  5. Step 5: Solve for x
    x = 7,006,562,703.69/118,352.80
  6. Step 6: Final answer
    x = 59,200.65

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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.