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Finding the Fourth Proportional to 127,295.16, 175,671.18 and 76,965.24

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Solution

The fourth proportional to 127,295.16, 175,671.18 and 76,965.24 is: 106,214.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,295.16 : 175,671.18 = 76,965.24 : x
  2. Step 2: Convert to fraction form
    127,295.16/175,671.18 = 76,965.24/x
  3. Step 3: Cross multiply
    127,295.16x = 175,671.18 × 76,965.24
  4. Step 4: Simplify right side
    127,295.16x = 13,520,574,529.78
  5. Step 5: Solve for x
    x = 13,520,574,529.78/127,295.16
  6. Step 6: Final answer
    x = 106,214.36

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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.