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Finding the Fourth Proportional to 191,329.32, 287,005.86 and 58,219.32

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Solution

The fourth proportional to 191,329.32, 287,005.86 and 58,219.32 is: 87,332.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,329.32 : 287,005.86 = 58,219.32 : x
  2. Step 2: Convert to fraction form
    191,329.32/287,005.86 = 58,219.32/x
  3. Step 3: Cross multiply
    191,329.32x = 287,005.86 × 58,219.32
  4. Step 4: Simplify right side
    191,329.32x = 16,709,286,005.22
  5. Step 5: Solve for x
    x = 16,709,286,005.22/191,329.32
  6. Step 6: Final answer
    x = 87,332.59

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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.