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Finding the Fourth Proportional to 64,700.40, 96,382.86 and 62,742.48

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Solution

The fourth proportional to 64,700.40, 96,382.86 and 62,742.48 is: 93,466.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,700.40 : 96,382.86 = 62,742.48 : x
  2. Step 2: Convert to fraction form
    64,700.40/96,382.86 = 62,742.48/x
  3. Step 3: Cross multiply
    64,700.40x = 96,382.86 × 62,742.48
  4. Step 4: Simplify right side
    64,700.40x = 6,047,299,665.89
  5. Step 5: Solve for x
    x = 6,047,299,665.89/64,700.40
  6. Step 6: Final answer
    x = 93,466.19

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.