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Finding the Fourth Proportional to 153,487.35, 230,255.63 and 64,753.93

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Solution

The fourth proportional to 153,487.35, 230,255.63 and 64,753.93 is: 97,141.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,487.35 : 230,255.63 = 64,753.93 : x
  2. Step 2: Convert to fraction form
    153,487.35/230,255.63 = 64,753.93/x
  3. Step 3: Cross multiply
    153,487.35x = 230,255.63 × 64,753.93
  4. Step 4: Simplify right side
    153,487.35x = 14,909,955,795.85
  5. Step 5: Solve for x
    x = 14,909,955,795.85/153,487.35
  6. Step 6: Final answer
    x = 97,141.27

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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.