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Finding the Fourth Proportional to 191,282.67, 286,800.93 and 91,440.63

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Solution

The fourth proportional to 191,282.67, 286,800.93 and 91,440.63 is: 137,102.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,282.67 : 286,800.93 = 91,440.63 : x
  2. Step 2: Convert to fraction form
    191,282.67/286,800.93 = 91,440.63/x
  3. Step 3: Cross multiply
    191,282.67x = 286,800.93 × 91,440.63
  4. Step 4: Simplify right side
    191,282.67x = 26,225,257,723.79
  5. Step 5: Solve for x
    x = 26,225,257,723.79/191,282.67
  6. Step 6: Final answer
    x = 137,102.11

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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.