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Finding the Fourth Proportional to 113,860.69, 157,127.75 and 63,559.69

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Solution

The fourth proportional to 113,860.69, 157,127.75 and 63,559.69 is: 87,712.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,860.69 : 157,127.75 = 63,559.69 : x
  2. Step 2: Convert to fraction form
    113,860.69/157,127.75 = 63,559.69/x
  3. Step 3: Cross multiply
    113,860.69x = 157,127.75 × 63,559.69
  4. Step 4: Simplify right side
    113,860.69x = 9,986,990,608.13
  5. Step 5: Solve for x
    x = 9,986,990,608.13/113,860.69
  6. Step 6: Final answer
    x = 87,712.37

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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.