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Finding the Fourth Proportional to 260,281.01, 359,185.25 and 145,558.35

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Solution

The fourth proportional to 260,281.01, 359,185.25 and 145,558.35 is: 200,869.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,281.01 : 359,185.25 = 145,558.35 : x
  2. Step 2: Convert to fraction form
    260,281.01/359,185.25 = 145,558.35/x
  3. Step 3: Cross multiply
    260,281.01x = 359,185.25 × 145,558.35
  4. Step 4: Simplify right side
    260,281.01x = 52,282,412,698.23
  5. Step 5: Solve for x
    x = 52,282,412,698.23/260,281.01
  6. Step 6: Final answer
    x = 200,869.10

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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.