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Finding the Fourth Proportional to 191,641.02, 287,525.50 and 85,010.26

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Solution

The fourth proportional to 191,641.02, 287,525.50 and 85,010.26 is: 127,543.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,641.02 : 287,525.50 = 85,010.26 : x
  2. Step 2: Convert to fraction form
    191,641.02/287,525.50 = 85,010.26/x
  3. Step 3: Cross multiply
    191,641.02x = 287,525.50 × 85,010.26
  4. Step 4: Simplify right side
    191,641.02x = 24,442,617,511.63
  5. Step 5: Solve for x
    x = 24,442,617,511.63/191,641.02
  6. Step 6: Final answer
    x = 127,543.77

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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.