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Finding the Fourth Proportional to 126,613, 174,731.43 and 70,024.42

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Solution

The fourth proportional to 126,613, 174,731.43 and 70,024.42 is: 96,636.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,613 : 174,731.43 = 70,024.42 : x
  2. Step 2: Convert to fraction form
    126,613/174,731.43 = 70,024.42/x
  3. Step 3: Cross multiply
    126,613x = 174,731.43 × 70,024.42
  4. Step 4: Simplify right side
    126,613x = 12,235,467,041.52
  5. Step 5: Solve for x
    x = 12,235,467,041.52/126,613
  6. Step 6: Final answer
    x = 96,636.74

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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.