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Finding the Fourth Proportional to 73,011.58, 100,801.59 and 55,983.11

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Solution

The fourth proportional to 73,011.58, 100,801.59 and 55,983.11 is: 77,291.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,011.58 : 100,801.59 = 55,983.11 : x
  2. Step 2: Convert to fraction form
    73,011.58/100,801.59 = 55,983.11/x
  3. Step 3: Cross multiply
    73,011.58x = 100,801.59 × 55,983.11
  4. Step 4: Simplify right side
    73,011.58x = 5,643,186,228.16
  5. Step 5: Solve for x
    x = 5,643,186,228.16/73,011.58
  6. Step 6: Final answer
    x = 77,291.66

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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.