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Finding the Fourth Proportional to 186,955.25, 257,967.83 and 110,463.71

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Solution

The fourth proportional to 186,955.25, 257,967.83 and 110,463.71 is: 152,421.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,955.25 : 257,967.83 = 110,463.71 : x
  2. Step 2: Convert to fraction form
    186,955.25/257,967.83 = 110,463.71/x
  3. Step 3: Cross multiply
    186,955.25x = 257,967.83 × 110,463.71
  4. Step 4: Simplify right side
    186,955.25x = 28,496,083,562.45
  5. Step 5: Solve for x
    x = 28,496,083,562.45/186,955.25
  6. Step 6: Final answer
    x = 152,421.95

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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.