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Finding the Fourth Proportional to 230,838.30, 346,387.05 and 97,695.90

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Solution

The fourth proportional to 230,838.30, 346,387.05 and 97,695.90 is: 146,598.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,838.30 : 346,387.05 = 97,695.90 : x
  2. Step 2: Convert to fraction form
    230,838.30/346,387.05 = 97,695.90/x
  3. Step 3: Cross multiply
    230,838.30x = 346,387.05 × 97,695.90
  4. Step 4: Simplify right side
    230,838.30x = 33,840,594,598.10
  5. Step 5: Solve for x
    x = 33,840,594,598.10/230,838.30
  6. Step 6: Final answer
    x = 146,598.70

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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.