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Finding the Fourth Proportional to 69,143.29, 103,750.47 and 59,843.07

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Solution

The fourth proportional to 69,143.29, 103,750.47 and 59,843.07 is: 89,795.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,143.29 : 103,750.47 = 59,843.07 : x
  2. Step 2: Convert to fraction form
    69,143.29/103,750.47 = 59,843.07/x
  3. Step 3: Cross multiply
    69,143.29x = 103,750.47 × 59,843.07
  4. Step 4: Simplify right side
    69,143.29x = 6,208,746,638.74
  5. Step 5: Solve for x
    x = 6,208,746,638.74/69,143.29
  6. Step 6: Final answer
    x = 89,795.36

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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.