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Finding the Fourth Proportional to 186,510.81, 257,415.84 and 110,048.61

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Solution

The fourth proportional to 186,510.81, 257,415.84 and 110,048.61 is: 151,885.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,510.81 : 257,415.84 = 110,048.61 : x
  2. Step 2: Convert to fraction form
    186,510.81/257,415.84 = 110,048.61/x
  3. Step 3: Cross multiply
    186,510.81x = 257,415.84 × 110,048.61
  4. Step 4: Simplify right side
    186,510.81x = 28,328,255,383.98
  5. Step 5: Solve for x
    x = 28,328,255,383.98/186,510.81
  6. Step 6: Final answer
    x = 151,885.33

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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.