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Finding the Fourth Proportional to 238,510.40, 357,777.85 and 61,018.94

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Solution

The fourth proportional to 238,510.40, 357,777.85 and 61,018.94 is: 91,531.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,510.40 : 357,777.85 = 61,018.94 : x
  2. Step 2: Convert to fraction form
    238,510.40/357,777.85 = 61,018.94/x
  3. Step 3: Cross multiply
    238,510.40x = 357,777.85 × 61,018.94
  4. Step 4: Simplify right side
    238,510.40x = 21,831,225,162.48
  5. Step 5: Solve for x
    x = 21,831,225,162.48/238,510.40
  6. Step 6: Final answer
    x = 91,531.54

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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.