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Finding the Fourth Proportional to 119,875.55, 179,755.00 and 63,742.55

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Solution

The fourth proportional to 119,875.55, 179,755.00 and 63,742.55 is: 95,582.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,875.55 : 179,755.00 = 63,742.55 : x
  2. Step 2: Convert to fraction form
    119,875.55/179,755.00 = 63,742.55/x
  3. Step 3: Cross multiply
    119,875.55x = 179,755.00 × 63,742.55
  4. Step 4: Simplify right side
    119,875.55x = 11,458,041,017.12
  5. Step 5: Solve for x
    x = 11,458,041,017.12/119,875.55
  6. Step 6: Final answer
    x = 95,582.81

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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.