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Finding the Fourth Proportional to 106,803, 147,382.38 and 59,053.56

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Solution

The fourth proportional to 106,803, 147,382.38 and 59,053.56 is: 81,490.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,803 : 147,382.38 = 59,053.56 : x
  2. Step 2: Convert to fraction form
    106,803/147,382.38 = 59,053.56/x
  3. Step 3: Cross multiply
    106,803x = 147,382.38 × 59,053.56
  4. Step 4: Simplify right side
    106,803x = 8,703,454,220.27
  5. Step 5: Solve for x
    x = 8,703,454,220.27/106,803
  6. Step 6: Final answer
    x = 81,490.73

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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.