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Finding the Fourth Proportional to 127,345.86, 191,048.67 and 125,230.14

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Solution

The fourth proportional to 127,345.86, 191,048.67 and 125,230.14 is: 187,874.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,345.86 : 191,048.67 = 125,230.14 : x
  2. Step 2: Convert to fraction form
    127,345.86/191,048.67 = 125,230.14/x
  3. Step 3: Cross multiply
    127,345.86x = 191,048.67 × 125,230.14
  4. Step 4: Simplify right side
    127,345.86x = 23,925,051,690.91
  5. Step 5: Solve for x
    x = 23,925,051,690.91/127,345.86
  6. Step 6: Final answer
    x = 187,874.59

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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.