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Finding the Fourth Proportional to 192,369.18, 265,468.74 and 107,486.22

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Solution

The fourth proportional to 192,369.18, 265,468.74 and 107,486.22 is: 148,330.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,369.18 : 265,468.74 = 107,486.22 : x
  2. Step 2: Convert to fraction form
    192,369.18/265,468.74 = 107,486.22/x
  3. Step 3: Cross multiply
    192,369.18x = 265,468.74 × 107,486.22
  4. Step 4: Simplify right side
    192,369.18x = 28,534,231,390.76
  5. Step 5: Solve for x
    x = 28,534,231,390.76/192,369.18
  6. Step 6: Final answer
    x = 148,330.58

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1.5x scale

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.