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Finding the Fourth Proportional to 64,825.84, 97,070.48 and 55,525.52

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Solution

The fourth proportional to 64,825.84, 97,070.48 and 55,525.52 is: 83,144.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,825.84 : 97,070.48 = 55,525.52 : x
  2. Step 2: Convert to fraction form
    64,825.84/97,070.48 = 55,525.52/x
  3. Step 3: Cross multiply
    64,825.84x = 97,070.48 × 55,525.52
  4. Step 4: Simplify right side
    64,825.84x = 5,389,888,878.65
  5. Step 5: Solve for x
    x = 5,389,888,878.65/64,825.84
  6. Step 6: Final answer
    x = 83,144.14

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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.