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Finding the Fourth Proportional to 186,033.48, 279,042.84 and 79,373.40

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Solution

The fourth proportional to 186,033.48, 279,042.84 and 79,373.40 is: 119,056.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,033.48 : 279,042.84 = 79,373.40 : x
  2. Step 2: Convert to fraction form
    186,033.48/279,042.84 = 79,373.40/x
  3. Step 3: Cross multiply
    186,033.48x = 279,042.84 × 79,373.40
  4. Step 4: Simplify right side
    186,033.48x = 22,148,578,956.46
  5. Step 5: Solve for x
    x = 22,148,578,956.46/186,033.48
  6. Step 6: Final answer
    x = 119,056.95

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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.