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Finding the Fourth Proportional to 185,329.60, 277,779.60 and 85,279.84

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Solution

The fourth proportional to 185,329.60, 277,779.60 and 85,279.84 is: 127,820.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,329.60 : 277,779.60 = 85,279.84 : x
  2. Step 2: Convert to fraction form
    185,329.60/277,779.60 = 85,279.84/x
  3. Step 3: Cross multiply
    185,329.60x = 277,779.60 × 85,279.84
  4. Step 4: Simplify right side
    185,329.60x = 23,688,999,843.26
  5. Step 5: Solve for x
    x = 23,688,999,843.26/185,329.60
  6. Step 6: Final answer
    x = 127,820.92

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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.