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Finding the Fourth Proportional to 117,608.53, 176,762.72 and 55,322.77

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Solution

The fourth proportional to 117,608.53, 176,762.72 and 55,322.77 is: 83,148.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,608.53 : 176,762.72 = 55,322.77 : x
  2. Step 2: Convert to fraction form
    117,608.53/176,762.72 = 55,322.77/x
  3. Step 3: Cross multiply
    117,608.53x = 176,762.72 × 55,322.77
  4. Step 4: Simplify right side
    117,608.53x = 9,779,003,303.13
  5. Step 5: Solve for x
    x = 9,779,003,303.13/117,608.53
  6. Step 6: Final answer
    x = 83,148.76

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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.