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Finding the Fourth Proportional to 220,041.82, 303,635.55 and 124,531.89

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Solution

The fourth proportional to 220,041.82, 303,635.55 and 124,531.89 is: 171,841.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,041.82 : 303,635.55 = 124,531.89 : x
  2. Step 2: Convert to fraction form
    220,041.82/303,635.55 = 124,531.89/x
  3. Step 3: Cross multiply
    220,041.82x = 303,635.55 × 124,531.89
  4. Step 4: Simplify right side
    220,041.82x = 37,812,307,394.51
  5. Step 5: Solve for x
    x = 37,812,307,394.51/220,041.82
  6. Step 6: Final answer
    x = 171,841.46

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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.