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Finding the Fourth Proportional to 73,290.19, 101,142.95 and 43,075.08

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Solution

The fourth proportional to 73,290.19, 101,142.95 and 43,075.08 is: 59,445.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,290.19 : 101,142.95 = 43,075.08 : x
  2. Step 2: Convert to fraction form
    73,290.19/101,142.95 = 43,075.08/x
  3. Step 3: Cross multiply
    73,290.19x = 101,142.95 × 43,075.08
  4. Step 4: Simplify right side
    73,290.19x = 4,356,740,662.69
  5. Step 5: Solve for x
    x = 4,356,740,662.69/73,290.19
  6. Step 6: Final answer
    x = 59,445.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.