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Finding the Fourth Proportional to 70,759.85, 97,689.04 and 46,918.91

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Solution

The fourth proportional to 70,759.85, 97,689.04 and 46,918.91 is: 64,774.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,759.85 : 97,689.04 = 46,918.91 : x
  2. Step 2: Convert to fraction form
    70,759.85/97,689.04 = 46,918.91/x
  3. Step 3: Cross multiply
    70,759.85x = 97,689.04 × 46,918.91
  4. Step 4: Simplify right side
    70,759.85x = 4,583,463,402.67
  5. Step 5: Solve for x
    x = 4,583,463,402.67/70,759.85
  6. Step 6: Final answer
    x = 64,774.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.