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Finding the Fourth Proportional to 76,324.70, 105,314.51 and 46,089.77

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Solution

The fourth proportional to 76,324.70, 105,314.51 and 46,089.77 is: 63,595.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,324.70 : 105,314.51 = 46,089.77 : x
  2. Step 2: Convert to fraction form
    76,324.70/105,314.51 = 46,089.77/x
  3. Step 3: Cross multiply
    76,324.70x = 105,314.51 × 46,089.77
  4. Step 4: Simplify right side
    76,324.70x = 4,853,921,132.21
  5. Step 5: Solve for x
    x = 4,853,921,132.21/76,324.70
  6. Step 6: Final answer
    x = 63,595.68

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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.