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Finding the Fourth Proportional to 101,956.59, 152,962.36 and 42,776.37

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Solution

The fourth proportional to 101,956.59, 152,962.36 and 42,776.37 is: 64,176.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,956.59 : 152,962.36 = 42,776.37 : x
  2. Step 2: Convert to fraction form
    101,956.59/152,962.36 = 42,776.37/x
  3. Step 3: Cross multiply
    101,956.59x = 152,962.36 × 42,776.37
  4. Step 4: Simplify right side
    101,956.59x = 6,543,174,400.49
  5. Step 5: Solve for x
    x = 6,543,174,400.49/101,956.59
  6. Step 6: Final answer
    x = 64,176.08

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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.