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Finding the Fourth Proportional to 241,421.60, 361,988.40 and 147,994.40

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Solution

The fourth proportional to 241,421.60, 361,988.40 and 147,994.40 is: 221,903.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    241,421.60 : 361,988.40 = 147,994.40 : x
  2. Step 2: Convert to fraction form
    241,421.60/361,988.40 = 147,994.40/x
  3. Step 3: Cross multiply
    241,421.60x = 361,988.40 × 147,994.40
  4. Step 4: Simplify right side
    241,421.60x = 53,572,256,064.96
  5. Step 5: Solve for x
    x = 53,572,256,064.96/241,421.60
  6. Step 6: Final answer
    x = 221,903.33

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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.