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Finding the Fourth Proportional to 164,026.80, 245,885.40 and 89,036.40

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Solution

The fourth proportional to 164,026.80, 245,885.40 and 89,036.40 is: 133,470.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,026.80 : 245,885.40 = 89,036.40 : x
  2. Step 2: Convert to fraction form
    164,026.80/245,885.40 = 89,036.40/x
  3. Step 3: Cross multiply
    164,026.80x = 245,885.40 × 89,036.40
  4. Step 4: Simplify right side
    164,026.80x = 21,892,750,828.56
  5. Step 5: Solve for x
    x = 21,892,750,828.56/164,026.80
  6. Step 6: Final answer
    x = 133,470.57

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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.