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Finding the Fourth Proportional to 301,089.12, 451,808.64 and 134,877.12

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Solution

The fourth proportional to 301,089.12, 451,808.64 and 134,877.12 is: 202,394.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,089.12 : 451,808.64 = 134,877.12 : x
  2. Step 2: Convert to fraction form
    301,089.12/451,808.64 = 134,877.12/x
  3. Step 3: Cross multiply
    301,089.12x = 451,808.64 × 134,877.12
  4. Step 4: Simplify right side
    301,089.12x = 60,938,648,154.32
  5. Step 5: Solve for x
    x = 60,938,648,154.32/301,089.12
  6. Step 6: Final answer
    x = 202,394.06

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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.