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Finding the Fourth Proportional to 73,290.69, 101,143.64 and 43,075.58

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Solution

The fourth proportional to 73,290.69, 101,143.64 and 43,075.58 is: 59,445.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,290.69 : 101,143.64 = 43,075.58 : x
  2. Step 2: Convert to fraction form
    73,290.69/101,143.64 = 43,075.58/x
  3. Step 3: Cross multiply
    73,290.69x = 101,143.64 × 43,075.58
  4. Step 4: Simplify right side
    73,290.69x = 4,356,820,956.31
  5. Step 5: Solve for x
    x = 4,356,820,956.31/73,290.69
  6. Step 6: Final answer
    x = 59,445.76

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1.5x scale

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.