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Finding the Fourth Proportional to 127,043.66, 175,315.83 and 70,460.30

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Solution

The fourth proportional to 127,043.66, 175,315.83 and 70,460.30 is: 97,232.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,043.66 : 175,315.83 = 70,460.30 : x
  2. Step 2: Convert to fraction form
    127,043.66/175,315.83 = 70,460.30/x
  3. Step 3: Cross multiply
    127,043.66x = 175,315.83 × 70,460.30
  4. Step 4: Simplify right side
    127,043.66x = 12,352,805,099.97
  5. Step 5: Solve for x
    x = 12,352,805,099.97/127,043.66
  6. Step 6: Final answer
    x = 97,232.76

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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.