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Finding the Fourth Proportional to 73,226.08, 101,018 and 43,001.60

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Solution

The fourth proportional to 73,226.08, 101,018 and 43,001.60 is: 59,322.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,226.08 : 101,018 = 43,001.60 : x
  2. Step 2: Convert to fraction form
    73,226.08/101,018 = 43,001.60/x
  3. Step 3: Cross multiply
    73,226.08x = 101,018 × 43,001.60
  4. Step 4: Simplify right side
    73,226.08x = 4,343,935,628.80
  5. Step 5: Solve for x
    x = 4,343,935,628.80/73,226.08
  6. Step 6: Final answer
    x = 59,322.25

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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.