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Finding the Fourth Proportional to 70,834.40, 97,752.12 and 39,004.04

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Solution

The fourth proportional to 70,834.40, 97,752.12 and 39,004.04 is: 53,825.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,834.40 : 97,752.12 = 39,004.04 : x
  2. Step 2: Convert to fraction form
    70,834.40/97,752.12 = 39,004.04/x
  3. Step 3: Cross multiply
    70,834.40x = 97,752.12 × 39,004.04
  4. Step 4: Simplify right side
    70,834.40x = 3,812,727,598.56
  5. Step 5: Solve for x
    x = 3,812,727,598.56/70,834.40
  6. Step 6: Final answer
    x = 53,825.93

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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.