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Finding the Fourth Proportional to 93,852.86, 129,516.97 and 51,412.90

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Solution

The fourth proportional to 93,852.86, 129,516.97 and 51,412.90 is: 70,949.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,852.86 : 129,516.97 = 51,412.90 : x
  2. Step 2: Convert to fraction form
    93,852.86/129,516.97 = 51,412.90/x
  3. Step 3: Cross multiply
    93,852.86x = 129,516.97 × 51,412.90
  4. Step 4: Simplify right side
    93,852.86x = 6,658,843,026.91
  5. Step 5: Solve for x
    x = 6,658,843,026.91/93,852.86
  6. Step 6: Final answer
    x = 70,949.81

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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.