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Finding the Fourth Proportional to 104,870.60, 157,084.01 and 84,793.94

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Solution

The fourth proportional to 104,870.60, 157,084.01 and 84,793.94 is: 127,011.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,870.60 : 157,084.01 = 84,793.94 : x
  2. Step 2: Convert to fraction form
    104,870.60/157,084.01 = 84,793.94/x
  3. Step 3: Cross multiply
    104,870.60x = 157,084.01 × 84,793.94
  4. Step 4: Simplify right side
    104,870.60x = 13,319,771,816.55
  5. Step 5: Solve for x
    x = 13,319,771,816.55/104,870.60
  6. Step 6: Final answer
    x = 127,011.50

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.