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Finding the Fourth Proportional to 104,300.76, 144,053.84 and 70,708.44

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Solution

The fourth proportional to 104,300.76, 144,053.84 and 70,708.44 is: 97,658.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,300.76 : 144,053.84 = 70,708.44 : x
  2. Step 2: Convert to fraction form
    104,300.76/144,053.84 = 70,708.44/x
  3. Step 3: Cross multiply
    104,300.76x = 144,053.84 × 70,708.44
  4. Step 4: Simplify right side
    104,300.76x = 10,185,822,302.41
  5. Step 5: Solve for x
    x = 10,185,822,302.41/104,300.76
  6. Step 6: Final answer
    x = 97,658.18

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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.