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Finding the Fourth Proportional to 192,894.40, 266,076.48 and 127,483.12

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Solution

The fourth proportional to 192,894.40, 266,076.48 and 127,483.12 is: 175,848.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,894.40 : 266,076.48 = 127,483.12 : x
  2. Step 2: Convert to fraction form
    192,894.40/266,076.48 = 127,483.12/x
  3. Step 3: Cross multiply
    192,894.40x = 266,076.48 × 127,483.12
  4. Step 4: Simplify right side
    192,894.40x = 33,920,259,829.02
  5. Step 5: Solve for x
    x = 33,920,259,829.02/192,894.40
  6. Step 6: Final answer
    x = 175,848.86

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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.