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Finding the Fourth Proportional to 191,299.52, 286,975.86 and 84,675.05

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Solution

The fourth proportional to 191,299.52, 286,975.86 and 84,675.05 is: 127,024.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,299.52 : 286,975.86 = 84,675.05 : x
  2. Step 2: Convert to fraction form
    191,299.52/286,975.86 = 84,675.05/x
  3. Step 3: Cross multiply
    191,299.52x = 286,975.86 × 84,675.05
  4. Step 4: Simplify right side
    191,299.52x = 24,299,695,294.29
  5. Step 5: Solve for x
    x = 24,299,695,294.29/191,299.52
  6. Step 6: Final answer
    x = 127,024.34

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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.