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Finding the Fourth Proportional to 73,648.80, 106,583.40 and 73,648.80

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Solution

The fourth proportional to 73,648.80, 106,583.40 and 73,648.80 is: 106,583.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,648.80 : 106,583.40 = 73,648.80 : x
  2. Step 2: Convert to fraction form
    73,648.80/106,583.40 = 73,648.80/x
  3. Step 3: Cross multiply
    73,648.80x = 106,583.40 × 73,648.80
  4. Step 4: Simplify right side
    73,648.80x = 7,849,739,509.92
  5. Step 5: Solve for x
    x = 7,849,739,509.92/73,648.80
  6. Step 6: Final answer
    x = 106,583.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.45) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.