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Finding the Fourth Proportional to 110,339.57, 152,248.46 and 72,088.94

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Solution

The fourth proportional to 110,339.57, 152,248.46 and 72,088.94 is: 99,469.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,339.57 : 152,248.46 = 72,088.94 : x
  2. Step 2: Convert to fraction form
    110,339.57/152,248.46 = 72,088.94/x
  3. Step 3: Cross multiply
    110,339.57x = 152,248.46 × 72,088.94
  4. Step 4: Simplify right side
    110,339.57x = 10,975,428,976.35
  5. Step 5: Solve for x
    x = 10,975,428,976.35/110,339.57
  6. Step 6: Final answer
    x = 99,469.57

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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.