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Finding the Fourth Proportional to 191,282.52, 286,865.43 and 153,753.60

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Solution

The fourth proportional to 191,282.52, 286,865.43 and 153,753.60 is: 230,583.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,282.52 : 286,865.43 = 153,753.60 : x
  2. Step 2: Convert to fraction form
    191,282.52/286,865.43 = 153,753.60/x
  3. Step 3: Cross multiply
    191,282.52x = 286,865.43 × 153,753.60
  4. Step 4: Simplify right side
    191,282.52x = 44,106,592,578.05
  5. Step 5: Solve for x
    x = 44,106,592,578.05/191,282.52
  6. Step 6: Final answer
    x = 230,583.50

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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.