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Finding the Fourth Proportional to 127,015.94, 175,281.80 and 73,300.95

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Solution

The fourth proportional to 127,015.94, 175,281.80 and 73,300.95 is: 101,155.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,015.94 : 175,281.80 = 73,300.95 : x
  2. Step 2: Convert to fraction form
    127,015.94/175,281.80 = 73,300.95/x
  3. Step 3: Cross multiply
    127,015.94x = 175,281.80 × 73,300.95
  4. Step 4: Simplify right side
    127,015.94x = 12,848,322,091.21
  5. Step 5: Solve for x
    x = 12,848,322,091.21/127,015.94
  6. Step 6: Final answer
    x = 101,155.19

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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.