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Finding the Fourth Proportional to 127,435.52, 175,840.32 and 70,845.44

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Solution

The fourth proportional to 127,435.52, 175,840.32 and 70,845.44 is: 97,755.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,435.52 : 175,840.32 = 70,845.44 : x
  2. Step 2: Convert to fraction form
    127,435.52/175,840.32 = 70,845.44/x
  3. Step 3: Cross multiply
    127,435.52x = 175,840.32 × 70,845.44
  4. Step 4: Simplify right side
    127,435.52x = 12,457,484,840.14
  5. Step 5: Solve for x
    x = 12,457,484,840.14/127,435.52
  6. Step 6: Final answer
    x = 97,755.20

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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.