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Finding the Fourth Proportional to 64,991.16, 97,525.58 and 59,703.48

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Solution

The fourth proportional to 64,991.16, 97,525.58 and 59,703.48 is: 89,590.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,991.16 : 97,525.58 = 59,703.48 : x
  2. Step 2: Convert to fraction form
    64,991.16/97,525.58 = 59,703.48/x
  3. Step 3: Cross multiply
    64,991.16x = 97,525.58 × 59,703.48
  4. Step 4: Simplify right side
    64,991.16x = 5,822,616,515.02
  5. Step 5: Solve for x
    x = 5,822,616,515.02/64,991.16
  6. Step 6: Final answer
    x = 89,590.90

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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.