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Finding the Fourth Proportional to 220,852.59, 331,329.92 and 69,041.07

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Solution

The fourth proportional to 220,852.59, 331,329.92 and 69,041.07 is: 103,577.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,852.59 : 331,329.92 = 69,041.07 : x
  2. Step 2: Convert to fraction form
    220,852.59/331,329.92 = 69,041.07/x
  3. Step 3: Cross multiply
    220,852.59x = 331,329.92 × 69,041.07
  4. Step 4: Simplify right side
    220,852.59x = 22,875,371,854.61
  5. Step 5: Solve for x
    x = 22,875,371,854.61/220,852.59
  6. Step 6: Final answer
    x = 103,577.56

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1.5x scale

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.