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Finding the Fourth Proportional to 107,364.81, 148,177.11 and 64,923.65

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Solution

The fourth proportional to 107,364.81, 148,177.11 and 64,923.65 is: 89,602.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,364.81 : 148,177.11 = 64,923.65 : x
  2. Step 2: Convert to fraction form
    107,364.81/148,177.11 = 64,923.65/x
  3. Step 3: Cross multiply
    107,364.81x = 148,177.11 × 64,923.65
  4. Step 4: Simplify right side
    107,364.81x = 9,620,198,827.65
  5. Step 5: Solve for x
    x = 9,620,198,827.65/107,364.81
  6. Step 6: Final answer
    x = 89,602.90

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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.