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Finding the Fourth Proportional to 104,657.80, 144,423.38 and 59,338.84

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Solution

The fourth proportional to 104,657.80, 144,423.38 and 59,338.84 is: 81,885.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,657.80 : 144,423.38 = 59,338.84 : x
  2. Step 2: Convert to fraction form
    104,657.80/144,423.38 = 59,338.84/x
  3. Step 3: Cross multiply
    104,657.80x = 144,423.38 × 59,338.84
  4. Step 4: Simplify right side
    104,657.80x = 8,569,915,838.08
  5. Step 5: Solve for x
    x = 8,569,915,838.08/104,657.80
  6. Step 6: Final answer
    x = 81,885.11

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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.