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Finding the Fourth Proportional to 107,960.78, 148,908.75 and 93,594.93

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Solution

The fourth proportional to 107,960.78, 148,908.75 and 93,594.93 is: 129,094.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,960.78 : 148,908.75 = 93,594.93 : x
  2. Step 2: Convert to fraction form
    107,960.78/148,908.75 = 93,594.93/x
  3. Step 3: Cross multiply
    107,960.78x = 148,908.75 × 93,594.93
  4. Step 4: Simplify right side
    107,960.78x = 13,937,104,032.64
  5. Step 5: Solve for x
    x = 13,937,104,032.64/107,960.78
  6. Step 6: Final answer
    x = 129,094.15

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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.