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Finding the Fourth Proportional to 99,642.32, 149,466.36 and 37,300.88

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Solution

The fourth proportional to 99,642.32, 149,466.36 and 37,300.88 is: 55,952.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,642.32 : 149,466.36 = 37,300.88 : x
  2. Step 2: Convert to fraction form
    99,642.32/149,466.36 = 37,300.88/x
  3. Step 3: Cross multiply
    99,642.32x = 149,466.36 × 37,300.88
  4. Step 4: Simplify right side
    99,642.32x = 5,575,226,758.40
  5. Step 5: Solve for x
    x = 5,575,226,758.40/99,642.32
  6. Step 6: Final answer
    x = 55,952.40

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1.5x scale

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.