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Finding the Fourth Proportional to 119,460.87, 164,852.68 and 67,787.38

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Solution

The fourth proportional to 119,460.87, 164,852.68 and 67,787.38 is: 93,544.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,460.87 : 164,852.68 = 67,787.38 : x
  2. Step 2: Convert to fraction form
    119,460.87/164,852.68 = 67,787.38/x
  3. Step 3: Cross multiply
    119,460.87x = 164,852.68 × 67,787.38
  4. Step 4: Simplify right side
    119,460.87x = 11,174,931,263.18
  5. Step 5: Solve for x
    x = 11,174,931,263.18/119,460.87
  6. Step 6: Final answer
    x = 93,544.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.