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Finding the Fourth Proportional to 127,124.35, 175,365.37 and 75,411.37

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Solution

The fourth proportional to 127,124.35, 175,365.37 and 75,411.37 is: 104,028.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,124.35 : 175,365.37 = 75,411.37 : x
  2. Step 2: Convert to fraction form
    127,124.35/175,365.37 = 75,411.37/x
  3. Step 3: Cross multiply
    127,124.35x = 175,365.37 × 75,411.37
  4. Step 4: Simplify right side
    127,124.35x = 13,224,542,802.26
  5. Step 5: Solve for x
    x = 13,224,542,802.26/127,124.35
  6. Step 6: Final answer
    x = 104,028.40

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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.