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Finding the Fourth Proportional to 64,488.99, 88,998.80 and 42,941.79

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Solution

The fourth proportional to 64,488.99, 88,998.80 and 42,941.79 is: 59,262.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,488.99 : 88,998.80 = 42,941.79 : x
  2. Step 2: Convert to fraction form
    64,488.99/88,998.80 = 42,941.79/x
  3. Step 3: Cross multiply
    64,488.99x = 88,998.80 × 42,941.79
  4. Step 4: Simplify right side
    64,488.99x = 3,821,767,565.14
  5. Step 5: Solve for x
    x = 3,821,767,565.14/64,488.99
  6. Step 6: Final answer
    x = 59,262.33

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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.