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Finding the Fourth Proportional to 260,355.80, 390,533.70 and 94,104.92

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Solution

The fourth proportional to 260,355.80, 390,533.70 and 94,104.92 is: 141,157.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,355.80 : 390,533.70 = 94,104.92 : x
  2. Step 2: Convert to fraction form
    260,355.80/390,533.70 = 94,104.92/x
  3. Step 3: Cross multiply
    260,355.80x = 390,533.70 × 94,104.92
  4. Step 4: Simplify right side
    260,355.80x = 36,751,142,595.80
  5. Step 5: Solve for x
    x = 36,751,142,595.80/260,355.80
  6. Step 6: Final answer
    x = 141,157.38

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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.