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Finding the Fourth Proportional to 105,010.65, 144,914.94 and 59,688.92

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Solution

The fourth proportional to 105,010.65, 144,914.94 and 59,688.92 is: 82,370.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,010.65 : 144,914.94 = 59,688.92 : x
  2. Step 2: Convert to fraction form
    105,010.65/144,914.94 = 59,688.92/x
  3. Step 3: Cross multiply
    105,010.65x = 144,914.94 × 59,688.92
  4. Step 4: Simplify right side
    105,010.65x = 8,649,816,622.75
  5. Step 5: Solve for x
    x = 8,649,816,622.75/105,010.65
  6. Step 6: Final answer
    x = 82,370.85

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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.