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Finding the Fourth Proportional to 127,059.96, 175,343.02 and 69,699.76

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Solution

The fourth proportional to 127,059.96, 175,343.02 and 69,699.76 is: 96,185.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,059.96 : 175,343.02 = 69,699.76 : x
  2. Step 2: Convert to fraction form
    127,059.96/175,343.02 = 69,699.76/x
  3. Step 3: Cross multiply
    127,059.96x = 175,343.02 × 69,699.76
  4. Step 4: Simplify right side
    127,059.96x = 12,221,365,933.39
  5. Step 5: Solve for x
    x = 12,221,365,933.39/127,059.96
  6. Step 6: Final answer
    x = 96,185.81

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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.