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Finding the Fourth Proportional to 73,643.32, 101,624.98 and 45,010.88

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Solution

The fourth proportional to 73,643.32, 101,624.98 and 45,010.88 is: 62,113.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,643.32 : 101,624.98 = 45,010.88 : x
  2. Step 2: Convert to fraction form
    73,643.32/101,624.98 = 45,010.88/x
  3. Step 3: Cross multiply
    73,643.32x = 101,624.98 × 45,010.88
  4. Step 4: Simplify right side
    73,643.32x = 4,574,229,779.78
  5. Step 5: Solve for x
    x = 4,574,229,779.78/73,643.32
  6. Step 6: Final answer
    x = 62,113.30

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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.