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Finding the Fourth Proportional to 73,666.20, 110,499.30 and 63,643.80

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Solution

The fourth proportional to 73,666.20, 110,499.30 and 63,643.80 is: 95,465.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,666.20 : 110,499.30 = 63,643.80 : x
  2. Step 2: Convert to fraction form
    73,666.20/110,499.30 = 63,643.80/x
  3. Step 3: Cross multiply
    73,666.20x = 110,499.30 × 63,643.80
  4. Step 4: Simplify right side
    73,666.20x = 7,032,595,349.34
  5. Step 5: Solve for x
    x = 7,032,595,349.34/73,666.20
  6. Step 6: Final answer
    x = 95,465.70

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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.