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Finding the Fourth Proportional to 70,070.30, 104,969.96 and 58,690.51

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Solution

The fourth proportional to 70,070.30, 104,969.96 and 58,690.51 is: 87,922.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,070.30 : 104,969.96 = 58,690.51 : x
  2. Step 2: Convert to fraction form
    70,070.30/104,969.96 = 58,690.51/x
  3. Step 3: Cross multiply
    70,070.30x = 104,969.96 × 58,690.51
  4. Step 4: Simplify right side
    70,070.30x = 6,160,740,151.29
  5. Step 5: Solve for x
    x = 6,160,740,151.29/70,070.30
  6. Step 6: Final answer
    x = 87,922.28

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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.