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Finding the Fourth Proportional to 72,900.84, 109,104.29 and 44,838.70

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Solution

The fourth proportional to 72,900.84, 109,104.29 and 44,838.70 is: 67,106.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,900.84 : 109,104.29 = 44,838.70 : x
  2. Step 2: Convert to fraction form
    72,900.84/109,104.29 = 44,838.70/x
  3. Step 3: Cross multiply
    72,900.84x = 109,104.29 × 44,838.70
  4. Step 4: Simplify right side
    72,900.84x = 4,892,094,031.07
  5. Step 5: Solve for x
    x = 4,892,094,031.07/72,900.84
  6. Step 6: Final answer
    x = 67,106.14

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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.