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Finding the Fourth Proportional to 127,533.94, 175,996.01 and 70,176.76

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Solution

The fourth proportional to 127,533.94, 175,996.01 and 70,176.76 is: 96,843.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,533.94 : 175,996.01 = 70,176.76 : x
  2. Step 2: Convert to fraction form
    127,533.94/175,996.01 = 70,176.76/x
  3. Step 3: Cross multiply
    127,533.94x = 175,996.01 × 70,176.76
  4. Step 4: Simplify right side
    127,533.94x = 12,350,829,754.73
  5. Step 5: Solve for x
    x = 12,350,829,754.73/127,533.94
  6. Step 6: Final answer
    x = 96,843.47

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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.