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Finding the Fourth Proportional to 119,809.70, 179,683.79 and 35,549.93

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Solution

The fourth proportional to 119,809.70, 179,683.79 and 35,549.93 is: 53,315.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,809.70 : 179,683.79 = 35,549.93 : x
  2. Step 2: Convert to fraction form
    119,809.70/179,683.79 = 35,549.93/x
  3. Step 3: Cross multiply
    119,809.70x = 179,683.79 × 35,549.93
  4. Step 4: Simplify right side
    119,809.70x = 6,387,745,978.89
  5. Step 5: Solve for x
    x = 6,387,745,978.89/119,809.70
  6. Step 6: Final answer
    x = 53,315.77

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1.5x scale

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.