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Finding the Fourth Proportional to 238,086.80, 357,129.84 and 97,746.56

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Solution

The fourth proportional to 238,086.80, 357,129.84 and 97,746.56 is: 146,619.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,086.80 : 357,129.84 = 97,746.56 : x
  2. Step 2: Convert to fraction form
    238,086.80/357,129.84 = 97,746.56/x
  3. Step 3: Cross multiply
    238,086.80x = 357,129.84 × 97,746.56
  4. Step 4: Simplify right side
    238,086.80x = 34,908,213,333.35
  5. Step 5: Solve for x
    x = 34,908,213,333.35/238,086.80
  6. Step 6: Final answer
    x = 146,619.69

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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.