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Finding the Fourth Proportional to 73,075.99, 109,392.03 and 46,799.20

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Solution

The fourth proportional to 73,075.99, 109,392.03 and 46,799.20 is: 70,056.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,075.99 : 109,392.03 = 46,799.20 : x
  2. Step 2: Convert to fraction form
    73,075.99/109,392.03 = 46,799.20/x
  3. Step 3: Cross multiply
    73,075.99x = 109,392.03 × 46,799.20
  4. Step 4: Simplify right side
    73,075.99x = 5,119,459,490.38
  5. Step 5: Solve for x
    x = 5,119,459,490.38/73,075.99
  6. Step 6: Final answer
    x = 70,056.66

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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.