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Finding the Fourth Proportional to 119,011.76, 164,240.88 and 65,299.04

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Solution

The fourth proportional to 119,011.76, 164,240.88 and 65,299.04 is: 90,115.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,011.76 : 164,240.88 = 65,299.04 : x
  2. Step 2: Convert to fraction form
    119,011.76/164,240.88 = 65,299.04/x
  3. Step 3: Cross multiply
    119,011.76x = 164,240.88 × 65,299.04
  4. Step 4: Simplify right side
    119,011.76x = 10,724,771,792.76
  5. Step 5: Solve for x
    x = 10,724,771,792.76/119,011.76
  6. Step 6: Final answer
    x = 90,115.23

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1.5x scale

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.