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Finding the Fourth Proportional to 260,503.75, 359,483.02 and 145,797.09

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Solution

The fourth proportional to 260,503.75, 359,483.02 and 145,797.09 is: 201,193.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,503.75 : 359,483.02 = 145,797.09 : x
  2. Step 2: Convert to fraction form
    260,503.75/359,483.02 = 145,797.09/x
  3. Step 3: Cross multiply
    260,503.75x = 359,483.02 × 145,797.09
  4. Step 4: Simplify right side
    260,503.75x = 52,411,578,220.41
  5. Step 5: Solve for x
    x = 52,411,578,220.41/260,503.75
  6. Step 6: Final answer
    x = 201,193.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.