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Finding the Fourth Proportional to 59,101.80, 79,942.95 and 59,101.80

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Solution

The fourth proportional to 59,101.80, 79,942.95 and 59,101.80 is: 79,942.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,101.80 : 79,942.95 = 59,101.80 : x
  2. Step 2: Convert to fraction form
    59,101.80/79,942.95 = 59,101.80/x
  3. Step 3: Cross multiply
    59,101.80x = 79,942.95 × 59,101.80
  4. Step 4: Simplify right side
    59,101.80x = 4,724,772,242.31
  5. Step 5: Solve for x
    x = 4,724,772,242.31/59,101.80
  6. Step 6: Final answer
    x = 79,942.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.