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Finding the Fourth Proportional to 127,065.68, 175,350.32 and 69,705.28

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Solution

The fourth proportional to 127,065.68, 175,350.32 and 69,705.28 is: 96,193.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,065.68 : 175,350.32 = 69,705.28 : x
  2. Step 2: Convert to fraction form
    127,065.68/175,350.32 = 69,705.28/x
  3. Step 3: Cross multiply
    127,065.68x = 175,350.32 × 69,705.28
  4. Step 4: Simplify right side
    127,065.68x = 12,222,843,153.69
  5. Step 5: Solve for x
    x = 12,222,843,153.69/127,065.68
  6. Step 6: Final answer
    x = 96,193.11

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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.