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Finding the Fourth Proportional to 73,443.19, 101,352.24 and 39,909.19

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Solution

The fourth proportional to 73,443.19, 101,352.24 and 39,909.19 is: 55,075.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,443.19 : 101,352.24 = 39,909.19 : x
  2. Step 2: Convert to fraction form
    73,443.19/101,352.24 = 39,909.19/x
  3. Step 3: Cross multiply
    73,443.19x = 101,352.24 × 39,909.19
  4. Step 4: Simplify right side
    73,443.19x = 4,044,885,549.71
  5. Step 5: Solve for x
    x = 4,044,885,549.71/73,443.19
  6. Step 6: Final answer
    x = 55,075.03

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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.