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Finding the Fourth Proportional to 185,999.78, 256,669.88 and 101,116.46

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Solution

The fourth proportional to 185,999.78, 256,669.88 and 101,116.46 is: 139,535.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,999.78 : 256,669.88 = 101,116.46 : x
  2. Step 2: Convert to fraction form
    185,999.78/256,669.88 = 101,116.46/x
  3. Step 3: Cross multiply
    185,999.78x = 256,669.88 × 101,116.46
  4. Step 4: Simplify right side
    185,999.78x = 25,953,549,654.22
  5. Step 5: Solve for x
    x = 25,953,549,654.22/185,999.78
  6. Step 6: Final answer
    x = 139,535.38

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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.