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Finding the Fourth Proportional to 127,907.76, 176,523.24 and 70,558.32

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Solution

The fourth proportional to 127,907.76, 176,523.24 and 70,558.32 is: 97,376.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,907.76 : 176,523.24 = 70,558.32 : x
  2. Step 2: Convert to fraction form
    127,907.76/176,523.24 = 70,558.32/x
  3. Step 3: Cross multiply
    127,907.76x = 176,523.24 × 70,558.32
  4. Step 4: Simplify right side
    127,907.76x = 12,455,183,255.36
  5. Step 5: Solve for x
    x = 12,455,183,255.36/127,907.76
  6. Step 6: Final answer
    x = 97,376.29

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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.