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Finding the Fourth Proportional to 73,063.40, 100,897.13 and 69,083.00

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Solution

The fourth proportional to 73,063.40, 100,897.13 and 69,083.00 is: 95,400.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,063.40 : 100,897.13 = 69,083.00 : x
  2. Step 2: Convert to fraction form
    73,063.40/100,897.13 = 69,083.00/x
  3. Step 3: Cross multiply
    73,063.40x = 100,897.13 × 69,083.00
  4. Step 4: Simplify right side
    73,063.40x = 6,970,275,581.89
  5. Step 5: Solve for x
    x = 6,970,275,581.89/73,063.40
  6. Step 6: Final answer
    x = 95,400.38

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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.