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Finding the Fourth Proportional to 127,127.92, 190,664.88 and 48,214.48

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Solution

The fourth proportional to 127,127.92, 190,664.88 and 48,214.48 is: 72,311.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,127.92 : 190,664.88 = 48,214.48 : x
  2. Step 2: Convert to fraction form
    127,127.92/190,664.88 = 48,214.48/x
  3. Step 3: Cross multiply
    127,127.92x = 190,664.88 × 48,214.48
  4. Step 4: Simplify right side
    127,127.92x = 9,192,808,043.46
  5. Step 5: Solve for x
    x = 9,192,808,043.46/127,127.92
  6. Step 6: Final answer
    x = 72,311.48

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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.