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Finding the Fourth Proportional to 230,970.30, 346,585.05 and 97,827.90

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Solution

The fourth proportional to 230,970.30, 346,585.05 and 97,827.90 is: 146,796.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,970.30 : 346,585.05 = 97,827.90 : x
  2. Step 2: Convert to fraction form
    230,970.30/346,585.05 = 97,827.90/x
  3. Step 3: Cross multiply
    230,970.30x = 346,585.05 × 97,827.90
  4. Step 4: Simplify right side
    230,970.30x = 33,905,687,612.90
  5. Step 5: Solve for x
    x = 33,905,687,612.90/230,970.30
  6. Step 6: Final answer
    x = 146,796.74

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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.