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Finding the Fourth Proportional to 84,684.80, 127,048.55 and 59,773.50

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Solution

The fourth proportional to 84,684.80, 127,048.55 and 59,773.50 is: 89,675.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,684.80 : 127,048.55 = 59,773.50 : x
  2. Step 2: Convert to fraction form
    84,684.80/127,048.55 = 59,773.50/x
  3. Step 3: Cross multiply
    84,684.80x = 127,048.55 × 59,773.50
  4. Step 4: Simplify right side
    84,684.80x = 7,594,136,503.43
  5. Step 5: Solve for x
    x = 7,594,136,503.43/84,684.80
  6. Step 6: Final answer
    x = 89,675.32

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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.