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Finding the Fourth Proportional to 127,007.62, 190,487.12 and 63,810.23

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Solution

The fourth proportional to 127,007.62, 190,487.12 and 63,810.23 is: 95,703.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,007.62 : 190,487.12 = 63,810.23 : x
  2. Step 2: Convert to fraction form
    127,007.62/190,487.12 = 63,810.23/x
  3. Step 3: Cross multiply
    127,007.62x = 190,487.12 × 63,810.23
  4. Step 4: Simplify right side
    127,007.62x = 12,155,025,667.75
  5. Step 5: Solve for x
    x = 12,155,025,667.75/127,007.62
  6. Step 6: Final answer
    x = 95,703.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.