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Finding the Fourth Proportional to 127,295.28, 175,662.81 and 70,710.30

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Solution

The fourth proportional to 127,295.28, 175,662.81 and 70,710.30 is: 97,577.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,295.28 : 175,662.81 = 70,710.30 : x
  2. Step 2: Convert to fraction form
    127,295.28/175,662.81 = 70,710.30/x
  3. Step 3: Cross multiply
    127,295.28x = 175,662.81 × 70,710.30
  4. Step 4: Simplify right side
    127,295.28x = 12,421,169,993.94
  5. Step 5: Solve for x
    x = 12,421,169,993.94/127,295.28
  6. Step 6: Final answer
    x = 97,577.62

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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.