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Finding the Fourth Proportional to 79,106.58, 119,210.22 and 71,612.46

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Solution

The fourth proportional to 79,106.58, 119,210.22 and 71,612.46 is: 107,916.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,106.58 : 119,210.22 = 71,612.46 : x
  2. Step 2: Convert to fraction form
    79,106.58/119,210.22 = 71,612.46/x
  3. Step 3: Cross multiply
    79,106.58x = 119,210.22 × 71,612.46
  4. Step 4: Simplify right side
    79,106.58x = 8,536,937,111.34
  5. Step 5: Solve for x
    x = 8,536,937,111.34/79,106.58
  6. Step 6: Final answer
    x = 107,916.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.