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Finding the Fourth Proportional to 157,415.61, 236,035.92 and 63,812.01

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Solution

The fourth proportional to 157,415.61, 236,035.92 and 63,812.01 is: 95,682.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,415.61 : 236,035.92 = 63,812.01 : x
  2. Step 2: Convert to fraction form
    157,415.61/236,035.92 = 63,812.01/x
  3. Step 3: Cross multiply
    157,415.61x = 236,035.92 × 63,812.01
  4. Step 4: Simplify right side
    157,415.61x = 15,061,926,487.40
  5. Step 5: Solve for x
    x = 15,061,926,487.40/157,415.61
  6. Step 6: Final answer
    x = 95,682.55

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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.