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Finding the Fourth Proportional to 191,206.37, 286,807.12 and 85,950.92

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Solution

The fourth proportional to 191,206.37, 286,807.12 and 85,950.92 is: 128,925.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,206.37 : 286,807.12 = 85,950.92 : x
  2. Step 2: Convert to fraction form
    191,206.37/286,807.12 = 85,950.92/x
  3. Step 3: Cross multiply
    191,206.37x = 286,807.12 × 85,950.92
  4. Step 4: Simplify right side
    191,206.37x = 24,651,335,826.55
  5. Step 5: Solve for x
    x = 24,651,335,826.55/191,206.37
  6. Step 6: Final answer
    x = 128,925.29

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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.