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Finding the Fourth Proportional to 192,670.55, 265,881.55 and 106,624.51

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Solution

The fourth proportional to 192,670.55, 265,881.55 and 106,624.51 is: 147,139.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,670.55 : 265,881.55 = 106,624.51 : x
  2. Step 2: Convert to fraction form
    192,670.55/265,881.55 = 106,624.51/x
  3. Step 3: Cross multiply
    192,670.55x = 265,881.55 × 106,624.51
  4. Step 4: Simplify right side
    192,670.55x = 28,349,489,986.79
  5. Step 5: Solve for x
    x = 28,349,489,986.79/192,670.55
  6. Step 6: Final answer
    x = 147,139.72

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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.