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Finding the Fourth Proportional to 127,096.32, 175,392 and 70,507.92

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Solution

The fourth proportional to 127,096.32, 175,392 and 70,507.92 is: 97,300.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,096.32 : 175,392 = 70,507.92 : x
  2. Step 2: Convert to fraction form
    127,096.32/175,392 = 70,507.92/x
  3. Step 3: Cross multiply
    127,096.32x = 175,392 × 70,507.92
  4. Step 4: Simplify right side
    127,096.32x = 12,366,525,104.64
  5. Step 5: Solve for x
    x = 12,366,525,104.64/127,096.32
  6. Step 6: Final answer
    x = 97,300.42

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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.