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Finding the Fourth Proportional to 230,859.80, 346,419.30 and 97,717.40

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Solution

The fourth proportional to 230,859.80, 346,419.30 and 97,717.40 is: 146,630.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,859.80 : 346,419.30 = 97,717.40 : x
  2. Step 2: Convert to fraction form
    230,859.80/346,419.30 = 97,717.40/x
  3. Step 3: Cross multiply
    230,859.80x = 346,419.30 × 97,717.40
  4. Step 4: Simplify right side
    230,859.80x = 33,851,193,305.82
  5. Step 5: Solve for x
    x = 33,851,193,305.82/230,859.80
  6. Step 6: Final answer
    x = 146,630.96

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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.