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Finding the Fourth Proportional to 106,792.92, 147,368.34 and 59,043.42

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Solution

The fourth proportional to 106,792.92, 147,368.34 and 59,043.42 is: 81,476.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,792.92 : 147,368.34 = 59,043.42 : x
  2. Step 2: Convert to fraction form
    106,792.92/147,368.34 = 59,043.42/x
  3. Step 3: Cross multiply
    106,792.92x = 147,368.34 × 59,043.42
  4. Step 4: Simplify right side
    106,792.92x = 8,701,130,793.32
  5. Step 5: Solve for x
    x = 8,701,130,793.32/106,792.92
  6. Step 6: Final answer
    x = 81,476.66

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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.