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Finding the Fourth Proportional to 154,535, 231,775.92 and 46,462.76

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Solution

The fourth proportional to 154,535, 231,775.92 and 46,462.76 is: 69,686.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,535 : 231,775.92 = 46,462.76 : x
  2. Step 2: Convert to fraction form
    154,535/231,775.92 = 46,462.76/x
  3. Step 3: Cross multiply
    154,535x = 231,775.92 × 46,462.76
  4. Step 4: Simplify right side
    154,535x = 10,768,948,944.74
  5. Step 5: Solve for x
    x = 10,768,948,944.74/154,535
  6. Step 6: Final answer
    x = 69,686.15

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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.