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Finding the Fourth Proportional to 187,353.71, 258,541.67 and 106,807.17

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Solution

The fourth proportional to 187,353.71, 258,541.67 and 106,807.17 is: 147,390.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,353.71 : 258,541.67 = 106,807.17 : x
  2. Step 2: Convert to fraction form
    187,353.71/258,541.67 = 106,807.17/x
  3. Step 3: Cross multiply
    187,353.71x = 258,541.67 × 106,807.17
  4. Step 4: Simplify right side
    187,353.71x = 27,614,105,336.32
  5. Step 5: Solve for x
    x = 27,614,105,336.32/187,353.71
  6. Step 6: Final answer
    x = 147,390.23

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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.