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Finding the Fourth Proportional to 282,373.11, 423,642.51 and 113,806.89

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Solution

The fourth proportional to 282,373.11, 423,642.51 and 113,806.89 is: 170,743.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,373.11 : 423,642.51 = 113,806.89 : x
  2. Step 2: Convert to fraction form
    282,373.11/423,642.51 = 113,806.89/x
  3. Step 3: Cross multiply
    282,373.11x = 423,642.51 × 113,806.89
  4. Step 4: Simplify right side
    282,373.11x = 48,213,436,534.89
  5. Step 5: Solve for x
    x = 48,213,436,534.89/282,373.11
  6. Step 6: Final answer
    x = 170,743.72

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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.