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Finding the Fourth Proportional to 127,800.89, 176,364.44 and 69,657.56

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Solution

The fourth proportional to 127,800.89, 176,364.44 and 69,657.56 is: 96,127.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,800.89 : 176,364.44 = 69,657.56 : x
  2. Step 2: Convert to fraction form
    127,800.89/176,364.44 = 69,657.56/x
  3. Step 3: Cross multiply
    127,800.89x = 176,364.44 × 69,657.56
  4. Step 4: Simplify right side
    127,800.89x = 12,285,115,946.11
  5. Step 5: Solve for x
    x = 12,285,115,946.11/127,800.89
  6. Step 6: Final answer
    x = 96,127.00

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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.