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Finding the Fourth Proportional to 127,052.70, 175,340.58 and 70,464.12

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Solution

The fourth proportional to 127,052.70, 175,340.58 and 70,464.12 is: 97,244.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,052.70 : 175,340.58 = 70,464.12 : x
  2. Step 2: Convert to fraction form
    127,052.70/175,340.58 = 70,464.12/x
  3. Step 3: Cross multiply
    127,052.70x = 175,340.58 × 70,464.12
  4. Step 4: Simplify right side
    127,052.70x = 12,355,219,669.99
  5. Step 5: Solve for x
    x = 12,355,219,669.99/127,052.70
  6. Step 6: Final answer
    x = 97,244.84

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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.