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Finding the Fourth Proportional to 127,345.44, 175,735.44 and 70,755.60

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Solution

The fourth proportional to 127,345.44, 175,735.44 and 70,755.60 is: 97,642.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,345.44 : 175,735.44 = 70,755.60 : x
  2. Step 2: Convert to fraction form
    127,345.44/175,735.44 = 70,755.60/x
  3. Step 3: Cross multiply
    127,345.44x = 175,735.44 × 70,755.60
  4. Step 4: Simplify right side
    127,345.44x = 12,434,266,498.46
  5. Step 5: Solve for x
    x = 12,434,266,498.46/127,345.44
  6. Step 6: Final answer
    x = 97,642.02

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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.