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Finding the Fourth Proportional to 185,346.12, 277,804.12 and 85,296.28

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Solution

The fourth proportional to 185,346.12, 277,804.12 and 85,296.28 is: 127,845.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,346.12 : 277,804.12 = 85,296.28 : x
  2. Step 2: Convert to fraction form
    185,346.12/277,804.12 = 85,296.28/x
  3. Step 3: Cross multiply
    185,346.12x = 277,804.12 × 85,296.28
  4. Step 4: Simplify right side
    185,346.12x = 23,695,658,004.67
  5. Step 5: Solve for x
    x = 23,695,658,004.67/185,346.12
  6. Step 6: Final answer
    x = 127,845.45

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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.