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Finding the Fourth Proportional to 140,034.96, 191,702.07 and 139,034.34

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Solution

The fourth proportional to 140,034.96, 191,702.07 and 139,034.34 is: 190,332.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,034.96 : 191,702.07 = 139,034.34 : x
  2. Step 2: Convert to fraction form
    140,034.96/191,702.07 = 139,034.34/x
  3. Step 3: Cross multiply
    140,034.96x = 191,702.07 × 139,034.34
  4. Step 4: Simplify right side
    140,034.96x = 26,653,170,779.08
  5. Step 5: Solve for x
    x = 26,653,170,779.08/140,034.96
  6. Step 6: Final answer
    x = 190,332.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.