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Finding the Fourth Proportional to 191,937.20, 287,927.40 and 58,816.40

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Solution

The fourth proportional to 191,937.20, 287,927.40 and 58,816.40 is: 88,231.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,937.20 : 287,927.40 = 58,816.40 : x
  2. Step 2: Convert to fraction form
    191,937.20/287,927.40 = 58,816.40/x
  3. Step 3: Cross multiply
    191,937.20x = 287,927.40 × 58,816.40
  4. Step 4: Simplify right side
    191,937.20x = 16,934,853,129.36
  5. Step 5: Solve for x
    x = 16,934,853,129.36/191,937.20
  6. Step 6: Final answer
    x = 88,231.22

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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.