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Finding the Fourth Proportional to 79,095.76, 109,203.09 and 70,583.24

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Solution

The fourth proportional to 79,095.76, 109,203.09 and 70,583.24 is: 97,450.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,095.76 : 109,203.09 = 70,583.24 : x
  2. Step 2: Convert to fraction form
    79,095.76/109,203.09 = 70,583.24/x
  3. Step 3: Cross multiply
    79,095.76x = 109,203.09 × 70,583.24
  4. Step 4: Simplify right side
    79,095.76x = 7,707,908,006.76
  5. Step 5: Solve for x
    x = 7,707,908,006.76/79,095.76
  6. Step 6: Final answer
    x = 97,450.33

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1.5x scale

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.