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Finding the Fourth Proportional to 96,586.60, 144,879.90 and 67,095.40

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Solution

The fourth proportional to 96,586.60, 144,879.90 and 67,095.40 is: 100,643.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,586.60 : 144,879.90 = 67,095.40 : x
  2. Step 2: Convert to fraction form
    96,586.60/144,879.90 = 67,095.40/x
  3. Step 3: Cross multiply
    96,586.60x = 144,879.90 × 67,095.40
  4. Step 4: Simplify right side
    96,586.60x = 9,720,774,842.46
  5. Step 5: Solve for x
    x = 9,720,774,842.46/96,586.60
  6. Step 6: Final answer
    x = 100,643.10

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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.