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Finding the Fourth Proportional to 127,952.54, 191,535.12 and 83,483.54

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Solution

The fourth proportional to 127,952.54, 191,535.12 and 83,483.54 is: 124,968.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,952.54 : 191,535.12 = 83,483.54 : x
  2. Step 2: Convert to fraction form
    127,952.54/191,535.12 = 83,483.54/x
  3. Step 3: Cross multiply
    127,952.54x = 191,535.12 × 83,483.54
  4. Step 4: Simplify right side
    127,952.54x = 15,990,029,851.92
  5. Step 5: Solve for x
    x = 15,990,029,851.92/127,952.54
  6. Step 6: Final answer
    x = 124,968.44

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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.