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Finding the Fourth Proportional to 260,564.95, 359,549.36 and 145,849.98

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Solution

The fourth proportional to 260,564.95, 359,549.36 and 145,849.98 is: 201,256.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,564.95 : 359,549.36 = 145,849.98 : x
  2. Step 2: Convert to fraction form
    260,564.95/359,549.36 = 145,849.98/x
  3. Step 3: Cross multiply
    260,564.95x = 359,549.36 × 145,849.98
  4. Step 4: Simplify right side
    260,564.95x = 52,440,266,965.01
  5. Step 5: Solve for x
    x = 52,440,266,965.01/260,564.95
  6. Step 6: Final answer
    x = 201,256.03

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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.