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Finding the Fourth Proportional to 64,812.96, 97,102.80 and 60,264

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Solution

The fourth proportional to 64,812.96, 97,102.80 and 60,264 is: 90,287.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,812.96 : 97,102.80 = 60,264 : x
  2. Step 2: Convert to fraction form
    64,812.96/97,102.80 = 60,264/x
  3. Step 3: Cross multiply
    64,812.96x = 97,102.80 × 60,264
  4. Step 4: Simplify right side
    64,812.96x = 5,851,803,139.20
  5. Step 5: Solve for x
    x = 5,851,803,139.20/64,812.96
  6. Step 6: Final answer
    x = 90,287.55

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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.