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Finding the Fourth Proportional to 127,300.56, 175,669.86 and 70,715.52

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Solution

The fourth proportional to 127,300.56, 175,669.86 and 70,715.52 is: 97,584.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,300.56 : 175,669.86 = 70,715.52 : x
  2. Step 2: Convert to fraction form
    127,300.56/175,669.86 = 70,715.52/x
  3. Step 3: Cross multiply
    127,300.56x = 175,669.86 × 70,715.52
  4. Step 4: Simplify right side
    127,300.56x = 12,422,585,498.23
  5. Step 5: Solve for x
    x = 12,422,585,498.23/127,300.56
  6. Step 6: Final answer
    x = 97,584.69

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.