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Finding the Fourth Proportional to 238,547.46, 357,820.89 and 61,054.56

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Solution

The fourth proportional to 238,547.46, 357,820.89 and 61,054.56 is: 91,581.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,547.46 : 357,820.89 = 61,054.56 : x
  2. Step 2: Convert to fraction form
    238,547.46/357,820.89 = 61,054.56/x
  3. Step 3: Cross multiply
    238,547.46x = 357,820.89 × 61,054.56
  4. Step 4: Simplify right side
    238,547.46x = 21,846,596,997.76
  5. Step 5: Solve for x
    x = 21,846,596,997.76/238,547.46
  6. Step 6: Final answer
    x = 91,581.76

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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.