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Finding the Fourth Proportional to 110,339.99, 152,267.74 and 65,019.88

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Solution

The fourth proportional to 110,339.99, 152,267.74 and 65,019.88 is: 89,726.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,339.99 : 152,267.74 = 65,019.88 : x
  2. Step 2: Convert to fraction form
    110,339.99/152,267.74 = 65,019.88/x
  3. Step 3: Cross multiply
    110,339.99x = 152,267.74 × 65,019.88
  4. Step 4: Simplify right side
    110,339.99x = 9,900,430,182.67
  5. Step 5: Solve for x
    x = 9,900,430,182.67/110,339.99
  6. Step 6: Final answer
    x = 89,726.58

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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.