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Finding the Fourth Proportional to 127,259.60, 190,889.40 and 127,259.60

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Solution

The fourth proportional to 127,259.60, 190,889.40 and 127,259.60 is: 190,889.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,259.60 : 190,889.40 = 127,259.60 : x
  2. Step 2: Convert to fraction form
    127,259.60/190,889.40 = 127,259.60/x
  3. Step 3: Cross multiply
    127,259.60x = 190,889.40 × 127,259.60
  4. Step 4: Simplify right side
    127,259.60x = 24,292,508,688.24
  5. Step 5: Solve for x
    x = 24,292,508,688.24/127,259.60
  6. Step 6: Final answer
    x = 190,889.40

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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.