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Finding the Fourth Proportional to 88,888.53, 122,697.06 and 51,177.81

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Solution

The fourth proportional to 88,888.53, 122,697.06 and 51,177.81 is: 70,643.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,888.53 : 122,697.06 = 51,177.81 : x
  2. Step 2: Convert to fraction form
    88,888.53/122,697.06 = 51,177.81/x
  3. Step 3: Cross multiply
    88,888.53x = 122,697.06 × 51,177.81
  4. Step 4: Simplify right side
    88,888.53x = 6,279,366,824.24
  5. Step 5: Solve for x
    x = 6,279,366,824.24/88,888.53
  6. Step 6: Final answer
    x = 70,643.16

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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.