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Finding the Fourth Proportional to 65,335.72, 97,925.81 and 45,506.92

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Solution

The fourth proportional to 65,335.72, 97,925.81 and 45,506.92 is: 68,206.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,335.72 : 97,925.81 = 45,506.92 : x
  2. Step 2: Convert to fraction form
    65,335.72/97,925.81 = 45,506.92/x
  3. Step 3: Cross multiply
    65,335.72x = 97,925.81 × 45,506.92
  4. Step 4: Simplify right side
    65,335.72x = 4,456,301,625.74
  5. Step 5: Solve for x
    x = 4,456,301,625.74/65,335.72
  6. Step 6: Final answer
    x = 68,206.21

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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.