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Finding the Fourth Proportional to 127,612.46, 191,461.98 and 56,525.54

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Solution

The fourth proportional to 127,612.46, 191,461.98 and 56,525.54 is: 84,807.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,612.46 : 191,461.98 = 56,525.54 : x
  2. Step 2: Convert to fraction form
    127,612.46/191,461.98 = 56,525.54/x
  3. Step 3: Cross multiply
    127,612.46x = 191,461.98 × 56,525.54
  4. Step 4: Simplify right side
    127,612.46x = 10,822,491,808.97
  5. Step 5: Solve for x
    x = 10,822,491,808.97/127,612.46
  6. Step 6: Final answer
    x = 84,807.49

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1.5x scale

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.