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Finding the Fourth Proportional to 159,461.10, 239,110.65 and 92,915.10

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Solution

The fourth proportional to 159,461.10, 239,110.65 and 92,915.10 is: 139,325.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,461.10 : 239,110.65 = 92,915.10 : x
  2. Step 2: Convert to fraction form
    159,461.10/239,110.65 = 92,915.10/x
  3. Step 3: Cross multiply
    159,461.10x = 239,110.65 × 92,915.10
  4. Step 4: Simplify right side
    159,461.10x = 22,216,989,955.82
  5. Step 5: Solve for x
    x = 22,216,989,955.82/159,461.10
  6. Step 6: Final answer
    x = 139,325.45

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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.