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Finding the Fourth Proportional to 191,900.32, 287,869.68 and 58,779.04

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Solution

The fourth proportional to 191,900.32, 287,869.68 and 58,779.04 is: 88,174.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,900.32 : 287,869.68 = 58,779.04 : x
  2. Step 2: Convert to fraction form
    191,900.32/287,869.68 = 58,779.04/x
  3. Step 3: Cross multiply
    191,900.32x = 287,869.68 × 58,779.04
  4. Step 4: Simplify right side
    191,900.32x = 16,920,703,435.51
  5. Step 5: Solve for x
    x = 16,920,703,435.51/191,900.32
  6. Step 6: Final answer
    x = 88,174.44

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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.