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Finding the Fourth Proportional to 104,292.76, 144,042.80 and 70,700.44

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Solution

The fourth proportional to 104,292.76, 144,042.80 and 70,700.44 is: 97,647.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,292.76 : 144,042.80 = 70,700.44 : x
  2. Step 2: Convert to fraction form
    104,292.76/144,042.80 = 70,700.44/x
  3. Step 3: Cross multiply
    104,292.76x = 144,042.80 × 70,700.44
  4. Step 4: Simplify right side
    104,292.76x = 10,183,889,338.83
  5. Step 5: Solve for x
    x = 10,183,889,338.83/104,292.76
  6. Step 6: Final answer
    x = 97,647.14

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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.